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Vantin (Cefpodoxime)

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Generic Vantin is a high-class medication which is taken in treatment and termination of serious infections such as pneumonia, gonorrhea, bronchitis, infection of skin, bladder, urinary tract, nose, throat and ear, sinus infections, tonsillitis. Generic Vantin acts as an anti-infection remedy. Generic Vantin operates by killing bacteria which spreads by infection.

Other names for this medication:

Similar Products:
Duricef, Ancef, Kefazol, Keflex, Keftabs, Velocef, Intracef, Ceporin


Also known as:  Cefpodoxime.


Generic Vantin is created by pharmacy specialists to struggle with dangerous infections (infection of skin, bladder, urinary tract, nose, throat and ear, pneumonia, gonorrhea, bronchitis, sinus infections, tonsillitis). Target of Generic Vantin is to control, ward off and terminate bacteria.

Generic Vantin acts as an anti-infection remedy. Generic Vantin operates by killing bacteria which spreads by infection.

Vantin is also known as Cefpodoxime proxetil, Cefocep.

Generic Vantin and other antibiotics don't treat viral infections (flu, cold and other).

Generic Vantin is cephalosporins.

Generic name of Generic Vantin is Cefpodoxime.

Brand name of Generic Vantin is Vantin.


Generic Vantin can be taken in tablets (200 mg), liquid forms. You should take it with water by mouth.

Generic Vantin treats different types of bacterial infections. Thus, for each treatment it has different dosage instructions.

It is better to take Generic Vantin 2 times a day for 7-14 days.

It is better to take Generic Vantin tablets every day at the same time with meals. Its liquid forms are taken with meals or without it.

Do not stop taking Generic Vantin suddenly.


If you overdose Generic Vantin and you don't feel good you should visit your doctor or health care provider immediately. Symptoms of Generic Vantin overdosage: abdominal cramps, diarrhoea, nausea, retching.


Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) away from moisture and heat. After mixing the suspension store in a refrigerator between 2 and 8 degrees C (36 and 46 degrees F). Do not freeze. Throw away unused portion after fourteen days. Keep out of the reach of children in a container that small children cannot open.

Side effects

The most common side effects associated with Vantin are:

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.


Do not use Generic Vantin if you are allergic to Generic Vantin components.

Be careful with Generic Vantin if you're pregnant or you plan to have a baby. Avoid breast-feeding.

Do not use Generic Vantin in case of taking antacids as Tums, Maalox, Rolaids or other stomach acid reducers as Axid, Protonix, Zantac, Aciphex, Tagamet, Prilosec, Nexium, Pepcid, Prevacid.

Be careful with Generic Vantin in case of having allergy to cephalosporins (Ceftin, Duricef, Ceclor, Keflex).

Be careful with Generic Vantin usage in case of having kidney or liver disease, colitis, stomach problems.

Try to be careful with Generic Vantin usage in case of taking antibiotics, loop diuretic (furosemide, bumetanide as Bumex, torsemide as Demadex); probenecid as Benemid; warfarin as Coumadin; ethacrynic acid as Edecrin.

Use Generic Vantin with great care in case you want to undergo an operation (dental or any other).

Try to avoid machine driving.

Avoid alcohol.

It can be dangerous to stop Generic Vantin taking suddenly.

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Cefpodoxime proxetil is a third generation cephalosporin with a broad spectrum of antibacterial activity and a favourable pharmacokinetic profile which allows twice-daily administration. It is generally well tolerated and demonstrates good bacteriological and clinical efficacy in paediatric patients with various infectious diseases, including acute otitis media, tonsillitis and/or pharyngitis. Based on these characteristics, cefpodoxime proxetil is a suitable option for the treatment of paediatric patients with various common bacterial infections.

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Mean plasma protein binding for cefpodoxime and cephalexin was 82.6% and 20.8%, respectively. Mean ± SD values for cephalexin in plasma were determined for peak plasma concentration (Cmax, 31.5±11.5 μg/mL), area under the time-concentration curve (AUC, 155.6±29.5 μg•h/mL), and terminal half-life (T½, 4.7±1.2 hours); corresponding values in ISF were 16.3±5.8 μg/mL, 878±21.0 μg•h/mL, and 3.2±0.6 hours, respectively. Mean±SD values for cefpodoxime in plasma were 33.0±6.9 μg/mL (Cmax), 282.8±44.0 μg•h/mL (AUC), and 5.7±0.9 hours (T1/2); corresponding values in ISF were 4.3±2.0 μg/mL, 575±174 μg•h/mL, and 10.4±3.3 hours, respectively.

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Group A beta-hemolytic streptococcus (GABHS) is the most common bacterial cause of acute pharyngitis. Although children infected with GABHS will recover clinically without antibiotics, treatment is recommended in order to prevent acute rheumatic fever and probably suppurative complications, hasten resolution of clinical signs and symptoms, and prevent transmission to close contacts. Streptococcal pharyngitis usually cannot be reliably distinguished from other etiologies on the basis of epidemiologic or physical findings, and therefore a throat culture or a rapid antigen detection test is generally necessary to confirm the diagnosis. All isolates of GABHS are sensitive to penicillins and cephalosporins, whereas resistance to macrolides has been identified in some geographic regions. The recommended first-line therapy for streptococcal pharyngitis is a 10-day course of penicillin V, usually given 2 or 3 times per day. A number of alternatives to penicillin V are available, including other penicillins, macrolides, and cephalosporins. As a class, the cephalosporins are noteworthy because they may provide somewhat higher bacteriologic eradication rates than penicillin V. Many cephalosporins can be administered twice daily, but they also must be given for 10 days. Two third-generation cephalosporins, cefdinir and cefpodoxime proxetil, are approved for use in a more convenient 5-day dosing schedule, thus possibly increasing the likelihood of adherence to the full course of therapy. Palatability is also an important consideration when prescribing antibiotics to children. In a series of studies, children preferred the pleasant strawberry-cream taste of cefdinir to that of amoxicillin/clavulanate, cefprozil, and azithromycin. Cefdinir may offer an alternative to penicillin V for children with streptococcal pharyngitis, particularly when compliance is a clinical concern.

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Immediate antimicrobial therapy with trimethoprim-sulfamethoxazole, nitrofurantoin, or fosfomycin is indicated for acute cystitis in adult women. Increasing resistance rates among uropathogens have complicated treatment of acute cystitis. Individualized assessment of risk factors for resistance and regimen tolerability is needed to choose the optimum empirical regimen.

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To compare bacteriologic and clinical efficacy and safety of 10 vs 5 days of cefpodoxime proxetil vs 10 days of penicillin V potassium for the treatment of acute group A beta-hemolytic streptococcal tonsillopharyngitis in children.

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Open-label, unblind, nonrandomized clinical trial.

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Lipid based drug delivery systems have gained prominence in last decade for drugs with dissolution rate limited oral bioavailability.

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In order to evaluate clinical and bacteriological efficacy of Cefpodoxime Proxetil (CP) in typhoid fever in comparison to cefixime (CF), we assessed 140 children with suspected typhoid fever. Fulfilling inclusion criteria finally 40 culture confirmed typhoid fever were allocated in randomized double blind clinical trial (RCT) to receive therapy with either oral CP (16 mg/kg/day, n = 21) or oral CF (20 mg/kg/day, n = 19) for 10 days. The two groups were comparable in their clinical and baseline characteristics. The clinical efficacy was similar in the two groups with only 2 (one in each group) clinical failures and all showing bacteriological eradication on subsequent blood culture. The time of defervescence was comparable in both groups (4.87 Fluconazole Prophylaxis against Fungal Colonization and Invasive Fungal Infection in Very Low Birth Weight Infants 2.33 vs 4.27 +/- 2.28 days, P = 0.308), with no relapse during 3 months follow up and no significant adverse effect. CP reduced the treatment cost by 33% in comparison to cefixime. Our study suggests CP is effective, safe and cheaper oral option for treatment of typhoid fever in children.

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Concurrently with administering a newly developed cephem derivative antibiotic (CEP), cefpodoxime proxetil (CPDX-PR, CS-807) dry syrup, to children with skin and soft tissue infections, activities of 7 drugs against a group of microorganisms were tested. The drugs tested included 4 drugs of the cephem group, R-3746, a Na-salt form of CPDX, cefaclor (CCL), cephalexin (CEX) and cefadroxil (CDX), and 3 drugs of the penicillin group, ampicillin (ABPC), methicillin (DMPPC) and cloxacillin (MCIPC). The bacterial strains tested were 71 strains of Staphylococcus aureus and 1 strain of Streptococcus pyogenes, all isolated from the above cases of pediatric infections. Inoculum sizes used in these tests were 10(6) and 10(8) cfu/ml. Ages of children in those cases to which the drug was administered ranged from 2 months to 15 years. A total of 66 cases were treated, including 60 cases of impetigo, 5 cases of subcutaneous abscess and 1 case of phlegmon. The drug was administered for an average of 6 days with a daily average dose level of 9.4 mg/kg divided into 3 doses except 1 case where a twice daily dose regimen was used. Clinical and bacteriological effects were examined, and the occurrence of adverse reactions and abnormal laboratory test results were recorded. The results of these tests are summarized below. 1. The activity test for R-3746 (Na-salt of CPDX) against 71 strains of S. aureus performed at an inoculum level of 10(8) cfu/ml showed 2 peaks of MIC values, one in a range of 1.56 to 6.25 micrograms/ml and the other higher than 100 micrograms/ml. The most prevalent MIC value was 3.13 micrograms/ml with MIC against 51 strains or 71.8% of the strains tested showing this value, and MIC values of 25 micrograms/ml or higher were obtained for 13 strains or 18.3% of the strains tested. The MIC80 was 6.25 micrograms/ml. Thus, R-3746 showed an antibacterial activity slightly weaker than MCIPC and DMPPC but similar to CCL, CEX and CDX. MIC values obtained at an inoculum level of 10(6) cfu/ml also had 2 peaks, one in a range of 1.56 to 3.13 micrograms/ml and the other higher than 25 micrograms/ml. Strains against which R-3746 had the MIC value of 3.13 micrograms/ml were the most numerous with 47 strains or 66.2%, and strains against which the MIC value of higher than 25 micrograms/ml was obtained were next with 13 strains or 18.3%.(ABSTRACT TRUNCATED AT 400 WORDS)

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The pharmacokinetics, bacteriological and clinical efficacy, and safety of the suspension formulation of cefpodoxime proxetil, an oral cephalosporin antibacterial, were evaluated in paediatric patients with various infections. With single doses of 3 and 6 mg/kg (cefpodoxime equivalent) a dose response was evident in the serum concentration values. Absorption, as evidenced by serum concentrations and areas under the concentration-time curve, was enhanced when the suspension was administered before a meal. The overall clinical efficacy (defined as an excellent or good response) in evaluable patients (those from whom a pathogen was isolated) was 94.7% (451 of 476). Bacteriological eradication rates were as follows: Gram-positive bacteria 91.3%; Gram-negative bacteria 88.6%, and 90.0% overall. Side effects occurred in 17 (2.29%) patients, and transient and reversible abnormal laboratory values were found in a few patients.

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To compare the pharmacokinetics/pharmacodynamics property of cefdinir, cefpodoxime proxetil and cefaclor against common bacteria of community acquired infections and evaluate the recommended regimens.

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Fine particles of cefpodoxime proxetil (CPD) were prepared using an Aerosol Solvent Extraction System (ASES) with supercritical CO(2). The resulting primary particles were approximately 0.1-0.2microm in size and were almost spherical in shape. The secondary particles were approximately 0.2-0.6microm in size and had irregular shapes. The larger particle size and irregular shapes were due to the agglomeration of the primary particles. The effects of solvent type, CO(2)-to-CPD solution weight ratio, and CPD solution concentration on the extent of agglomeration were investigated. As a result, the use of ethyl acetate and acetone as solvents also reduced the degree of agglomeration. The degree of agglomeration was reduced with the use of a high CO(2)-to-solution weight ratio, and a low solution concentration. In particular, spherical particles, approximately 0.1-0.4microm in size, were obtained when a 10.0wt% CPD solution was used. As a result of dissolution study, almost 90% of the processed CPD had dissolved within 10min. The recovery yield of the CPD powder reached approximately 80% using a membrane filter.

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Literature was identified through a MEDLINE search from 1988 to the present and from review of bibliographies in that literature.

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twenty patients were selected, based on clinical assessment, to be converted from intravenous ceftriaxone to oral cefpodoxime proxetil. Twenty other comparable patients who would have been appropriate for step-down therapy, did not receive pharmacy intervention and were used as a control group.

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Application of the HPLC hyphenated techniques of LC-MS, LC-NMR and solvent-elimination LC-IR was demonstrated by the identification of the degradation products of a third generation cephalosporin antibiotic, cefpodoxime proxetil, in solid state, drug formulation and solution. Molecular weight and fragment information were obtained by LC-MS, and detailed structural information was confirmed by LC-NMR. Information on the carboxyl functional group obtained by solvent-elimination LC-IR was useful for confirmation of the ester hydrolysis. The degradation products were successfully identified without complicated isolation or purification processes.

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A new, simple, precise, rapid and accurate RP-HPLC method has been developed for the simultaneous estimation of cefpodoxime proxetil and clavulanic acid from pharmaceutical dosage forms. The method was carried out on a Zorbax Eclipse XDB 5 mu C 18 (150x4.6 mm) column with a mobile phase consisting of acetonitrile:50 mM potassium dihydrogen phosphate buffer (pH 3.0, 70:30 v/v) at a flow rate of 1.0 ml/min. Detection was carried out at 228 nm. Aspirin was used as an internal standard. The retention time of clavulanic acid, cefpodoxime proxetil and aspirin was 4.43, 6.44 and 5.6 min, respectively. The developed method was validated in terms of accuracy, precision, linearity, limit of detection, limit of quantification and solution stability. The proposed method can be used for the estimation of these drugs in combined dosage forms.

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A ten day course of oral penicillin is still recommended for pharyngotonsillitis with the aim of eradicating Streptococcus pyogenes and preventing rheumatic fever. However there is some evidence that penicillin V therapy is less satisfactory than in former years. Several explanations have been suggested, including inadequate pharmacokinetic properties, poor patient compliance, penicillin tolerance, re-infection and carrier state, and indirect pathogenicity. In this context we evaluated the efficacy of third generation cephalosporins. We have shown that a short course of five days treatment with cefpodoxime is as effective as the ten days of conventional treatment with penicillin in terms of both clinical and bacteriological efficacy. Moreover the possibility of reducing the duration of therapy and the twice daily administration of these new cephalosporins results in better patient compliance with treatment.

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Multiple dose pharmacokinetics of a new third-generation cephalosporin, cefpodoxime, were evaluated in adults (15, 18-60 years) and elderly adults (10, greater than or equal to 70 years), all out-patients suffering from acute lower respiratory tract infection. A dose of 200 mg cefpodoxime proxetil (expressed in mg cefpodoxime) was administered 12-hourly for seven to ten days and timed blood samples were evaluated on days 0, 3, 5, 6/7 and on the last day of treatment. Results showed that the pharmacokinetics in adult and elderly patients were comparable with those of healthy volunteers and with each other, with the exception of one elderly patient with severe renal impairment. Dosage adjustment of cefpodoxime proxetil does not therefore appear to be necessary in the elderly unless there is evidence of severe renal insufficiency.

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The effect of a high-fat meal on absorption of a 200-mg dose of cefpodoxime proxetil oral suspension was evaluated in 20 healthy, male volunteers in a randomized, two-way crossover study. The concentrations of cefpodoxime in plasma and in urine were determined by sensitive and specific high-performance liquid chromatography methods. The area under the plasma drug concentration-time curve, time to peak concentration, and urinary excretion of cefpodoxime were significantly greater (P < or = 0.05) after administration of cefpodoxime proxetil oral suspension with food than under fasting conditions. However, the difference in the areas under the curve between fed and fasted treatments was only 11%, and application of the two one-sided tests procedure showed bioequivalence between treatments for this parameter. The slight increase in the extent of drug absorption and the slower rate of absorption which results when cefpodoxime proxetil is given with food are unlikely to be of clinical importance.

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Twenty nine children were treated with cefpodoxime proxetil (CPDX-PR, CS-807) and the clinical efficacy and side effects were evaluated. Ages of the patients ranged from 2 months to 10 years. Dose levels of CPDX-PR ranged from 7.5 to 12.0 mg/kg/day for 5 to 12.7 days. The 29 patients included 9 tonsillitis, 2 otitis media, 5 scarlet fever, 3 bronchopneumonia, 1 lymphadenitis, 8 urinary tract infections and 1 staphylococcal scalded skin syndrome, and they were evaluated for the clinical efficacy of CPDX-PR. Results were excellent in 21 and good in 8 patients. Out of the 29 patients, 3 cases showed diarrhea and 2 cases showed elevated GOT and GPT. The pharmacokinetics of CPDX-PR was studied in 9 patients whose ages ranged from 1 to 9 years. The serum peak concentrations of CPDX in 5 patients were between 1.37 and 4.10 micrograms/ml (mean: 2.53 micrograms/ml) at 1 to 6 hours after dosing 3 mg/kg before meals. Those of 4 patients ranged 3.29 to 4.88 micrograms/ml (mean: 4.36 micrograms/ml) at 2 hours after administering 6 mg/kg before meals. Portions of CPDX excreted into urine within 6 hours ranged from 20.3 to 34.3% (mean 27.1%) in 5 patients who were given 3 mg/kg, and ranged from 24.1 to 65.7% (mean 41.1%) in 4 patients given 6 mg/kg.

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Under day-to-day doctor's office conditions, Podomexef 200 film tablets are both effective and well tolerated in the treatment of bacterial infections of the airways and ENT infections.

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122 patients with bacterial infections of respiratory tract, ear, nose, and throat, urinary tract and skin and soft tissue were treated with cefpodoxime proxetil. In the treatments of patients with clinical efficacy tates of cefpodoxime proxetil for infections in these four systems were 90.0%, 97.5%, 90.0% and 86.4%, respectively. The bacterial clearance rate of gram-positive bacterial was 96.9%, and that of gram-negative bacteria 96.4%. Adverse drug reaction rate was 18.9%.

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Cefpodoxime proxetil was administered to 36 children undergoing tonsillectomy, adenoidectomy or both. It was very well tolerated. The detectable tissue concentrations of cefpodoxime were moderate but remained constant (approximately 0.05 mg/kg) 3, 6, and 12 h after the last dose of the drug, while the respective plasma concentrations were declining. This suggests the possibility of twice-daily administration. However, 30% of children did not have quantifiable concentrations in the tonsil and more than half the adenoids did not have quantifiable levels. Whether a higher dosage would lead to higher and more satisfactory tissue concentrations is a matter for further investigation.

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Clinical and laboratory records were retrospectively reviewed between January 2003 and December 2003.

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In US, pneumococcal conjugate vaccine (PCV7) had reduced the burden of AOM and changed the profile of the disease. Prior to PCV7 implementation in France, AOM represented 8% of pediatricians visits and failure rate was 12%. The aim of this study is to describe the epidemiologic characteristics of AOM after PCV7 implementation.

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Twelve patients with respiratory tract infections were treated with cefpodoxime proxetil (CS-807, CPDX-PR), a new cephem antibiotic. It was given orally at a dose of 200 mg 2 times a day for 4 approximately 15 days. Its clinical effects were evaluated as excellent in 1 case, good in 9 cases and poor in 2 cases. The efficacy rate was 83.3%. Its bacteriological effects were evaluated as eradication in 5 strains and decrement in 1 strain. The eradication rate was 83.3%. No adverse reactions and disorder of laboratory findings due to CPDX-PR were observed.

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The disposition of cefpodoxime after single, oral 200-mg doses of cefpodoxime proxetil (cefpodoxime equivalents) was investigated in an open-label study of six patients with end-stage renal disease currently maintained on hemodialysis. Subjects were randomly assigned to one of two treatment groups, which differed in the sequence of the interdialytic and intradialytic periods. Doses were separated by at least 2 weeks. Blood samples were serially collected for 48 hours after each treatment; if obtainable, urine was also collected over this same period. During the intradialytic period, hemodialysis was scheduled to begin approximately 3 hours after dosing, and dialysate was collected before and until the end of dialysis. Average cefpodoxime elimination half-life for the interdialytic period was 18.0 +/- 6.5 hours; apparent total body clearance was 28.6 +/- 13 mL/minute. The half-life during hemodialysis, 2.66 +/- 0.74 hours, was considerably shorter than that after hemodialysis, 19.2 +/- 3.5 hours, in the intradialytic period of the study. Hemodialysis clearance of cefpodoxime was 120 +/- 31 mL/minute, which was 57.1 +/- 13% and 71.7 +/- 25% of the hemodialysis clearance for urea nitrogen and creatinine, respectively. The 2.86 +/- 0.25 hour hemodialysis session removed 22.4 +/- 2.9% of the administered dose, as assessed by cefpodoxime recovery in dialysate. A maximum rebound in cefpodoxime plasma concentration of 0.41 +/- 0.33 mcg/mL was observed, at about one-half hour after the end of hemodialysis. Based on these results, dosage adjustment is not required, but extension of the dosing interval is warranted.(ABSTRACT TRUNCATED AT 250 WORDS)

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Linezolid is the first of a new class of antibacterial drugs, the oxazolidinones. It has inhibitory activity against a broad range of gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA), glycopeptide-intermediate S. aureus (GISA), vancomycin-resistant enterococci (VRE) and penicillin-resistant Streptococcus pneumoniae. The drug also shows activity against certain anaerobes, including Clostridium perfringens, C. difficile, Peptostreptococcus spp. and Bacteroidesfragilis. In controlled phase III studies, linezolid was as effective as vancomycin in the treatment of patients with infections caused by methicillin-resistant staphylococci and also demonstrated efficacy against infections caused by VRE. Further phase III studies have demonstrated that linezolid is an effective treatment for patients with nosocomial pneumonia, for hospitalised patients with community-acquired pneumonia, and for patients with complicated skin or soft tissue infections (SSTIs). In these studies, linezolid was as effective as established treatments, including third-generation cephalosporins in patients with pneumonia, and oxacillin in patients with complicated SSTIs. Oral linezolid 400 or 600mg twice daily was as effective as clarithromycin 250mg twice daily or cefpodoxime proxetil 200mg twice daily in the treatment of patients with uncomplicated SSTIs or community-acquired pneumonia. Linezolid is a generally well tolerated drug. The most frequently reported adverse events in linezolid recipients were diarrhoea, headache, nausea and vomiting. Thrombocytopenia was also documented in a small proportion (about 2%) of patients treated with the drug.

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The luminal and mucosal deesterification of the prodrug ester cefpodoxime-proxetil was studied in human duodenal washings in vitro. Enzymatic hydrolysis of the ester, releasing the active third generation cephalosporin, was observed in luminal washing in the same way as it had previously been observed in the rabbit. Eserine and PMSF and HgCl(2) were potent inhibitors of cefpodoxime-proxetil hydrolysis in luminal washing, suggesting the participation of a cholinesterase in the hydrolysis of cefpodoxime-proxetil. These results are in agreement with our previous findings performed in the rabbit. Moreover, cefpodoxime-proxetil directly decreases the acetylcholinesterase activity when tested by a specific enzymatic method. These observations support the hypothesis that the partial oral bioavailability of cefpodoxime-proxetil results from hydrolysis by luminal cholinesterases. In vitro experiments run with rabbit duodenal washing with food components were compared with the pharmacokinetics of cefpodoxime-proxetil in humans. Amino acids, trace elements and vitamins were potent inhibitors for cefpodoxime-proxetil hydrolysis in duodenal washings. Otherwise, lipids (LTC and mixed LCT/MCT) did not interact. In the human, cefpodoxime-proxetil bioavailability is significantly enhanced when tablets are administered with food. The correlation found between animal results and human results in vitro for prospective investigation of a new prodrug ester could be very useful. An in vitro hydrolysis in intestinal animal washings could allow the potentially degraded condition and the food effect of the luminal tract to be assessed before absorption.

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vantin renal dose 2016-05-20

We diagnosed a 41-year-old female patient to be suffering from Chlamydia pneumoniae ( buy vantin C. pneumoniae) by using PCR and culture methods. She had a prolonged dry cough and slight fever. Her chest roentgenogram showed a segmental infiltration in the middle of the right lung field. We treated her with 400 mg of cefpodoxime proxetil (CPDX-PR) per day. On the 4th day after beginning the treatment with CPDX-PR, she still complained of a productive cough. We changed the treatment by using 300 mg of roxithromycin per day and these symptoms disappeared. To diagnose C. pneumoniae early, PCR, MIF and culture methods are very useful diagnostic tools.

vantin tablet 2016-11-20

Most authorities continue to recommend penicillin as the treatment of choice for group A streptococcal pharyngitis. If penicillin is used, 10 days of treatment are necessary to achieve a clinical and bacteriologic cure. The usually recommended penicillin V dose is 250 mg (400,000 IU) three times daily. Twice daily dosing is acceptable to some authorities if compliance is good. However, oral penicillin fails to eradicate group A streptococci from the pharynx in up to 17% of cases; in some studies 30% failure rates have been reported. Several European and United States studies indicate that a variety of oral cephalosporins, when used for 10 days, are significantly superior to penicillin V in eradicating group A streptococci from the pharynx. For example cefpodoxime proxetil given twice daily for 10 days is comparable to penicillin V given three times daily for 10 days in achieving a clinical cure and appears to buy vantin be significantly superior to penicillin in eradicating group A streptococci from the pharynx. Preliminary studies from Europe and the United States strongly suggest that 5-day therapy with cefpodoxime (or other selected oral cephalosporins) is at least as effective, clinically and microbiologically, as 10-day therapy with penicillin V. Further clinical trials are warranted to confirm the adequacy of 5-day treatment and to assess the efficacy of cefpodoxime and other agents in preventing rheumatic fever.

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The in-vitro activity of cefpodoxime, the active compound of the ester prodrug, cefpodoxime proxetil, was compared with that of other antibiotics. The susceptibility of bacterial isolates from patients with respiratory tract infections was determined by an agar dilution method. The MIC90s of cefpodozime for ampicillin-sensitive and beta-lactamase-producing strains of Haemophilus influenzae were 0.12 and 0.25 mg/l, respectively; the MIC90s for ampicillin-resistant non-beta-lactamase-producing strains was 1 mg/l. Time-kill curves of cefpodoxime against ampicillin-sensitive and ampicillin-resistant beta-lactamase producing strains showed a time-dependent bactericidal activity. The MIC90s for ampicillin-sensitive and ampicillin-resistant Branhamella catarrhalis were 0.50 and 1 mg/l, respectively. The MIC90s for penicillin-sensitive pneumococci, beta-haemolytic streptococci and Streptococcus agalactiae were 0.06, 0.06 and 0.12 mg/l, respectively. The inhibitory buy vantin activity against penicillin-resistant pneumococci was limited: the MIC90 was 4 mg/l.

vantin cost 2015-11-07

The effects of gastric motility on the pharmacokinetics of cefpodoxime proxetil, an oral buy vantin , broad spectrum, third-generation cephalosporin antibiotic were evaluated in 12 healthy subjects. In this open-label, crossover trial, each subject took a 200 mg dose (two 100 mg film-coated tablets) in each study period. There was an initial fasting period followed by a control period and then either a propantheline or metoclopramide period. Gastric motility was measured using [99mTc]-labeled sulfur colloid in oatmeal in the control, propantheline and metoclopramide periods. Treatment with propantheline or metoclopramide was given 30 min before dosing with the antibiotic and the radioisotope. Serial images with a gamma counter were made every 15 min for 2 h. Gastric emptying time was faster than control with metoclopramide, but generally slower with propantheline than control. The mean peak plasma concentration, mean area under plasma concentration time curve and mean half-life of cefpodoxime proxetil were similar in all groups as compared to control. The mean time to peak plasma concentration was delayed in the propantheline period and peak plasma concentrations were greater at all sampling times at six hours after dosing. This study utilized the gastric nuclear scan with modification of gastric motility by metoclopramide and propantheline and with simultaneous determination of the disposition of cefpodoxime proxetil to understand the absorption of the drug.

vantin 400 mg 2015-05-14

To evaluate the change in nasopharyngeal carriage of S. pneumoniae during antibiotic buy vantin therapy prescribed for acute otitis media.

generic vantin 100mg 2016-02-20

This review analyzes the pharmacokinetics of new oral cephalosporins, including esters, non-esters, and the carbacephem loracarbef, in healthy volunteers, as described in the literature and evaluated in several studies of our own. buy vantin Single-dose studies have demonstrated considerable pharmacokinetic differences among these compounds. Cefixime, cefpodoxime proxetil, and cefetamet pivoxil are characterized by a low peak concentration and a prolonged half-life, while the other new agents have higher peak levels and shorter half-lives. Except for cefixime, the new oral cephalosporins are eliminated mainly by the kidneys. Pharmacokinetic studies in the elderly and in children indicate that the bioavailability of these agents is not influenced by age. Food increases the bioavailability of the ester cephalosporins but does not affect the absorption kinetics of the other new drugs.

vantin 500 mg 2016-11-22

Five days of treatment with cefpodoxime is as efficacious in bacteriologic eradication and clinical response (cure plus improvement) buy vantin as 10 days of cefpodoxime therapy, and both cefpodoxime regimens produced superior bacteriologic efficacy compared with a 10-day regimen of penicillin V in the treatment of group A beta-hemolytic streptococcal tonsillopharyngitis in children.

vantin suspension 2016-02-06

Self-nanoemulsifying buy vantin drug delivery system (SNEDDS) using various surfactant and cosurfactants such as tween 80, tocopheryl polyethylene glycol succinate (TPGS), propylene glycol and Capmul MCM as oil phase were prepared. Ternary phase diagrams were constructed to identify stable microemulsion region. Percent transmittance studies helped to shortlist the surfactant-cosurfactant combination.

vantin dosage 2017-06-21

Pharmacokinetic, bacteriological, and clinical studies in pediatrics on cefpodoxime proxetil (CPDX-PR, CS-807) (pediatric dry syrup) were performed. 1. Serum concentrations and urinary excretions of CPDX after administration of CPDX-PR to children (ages between 6 and 14) were investigated. Four cases were administered with CPDX-PR at a dose level of 3 mg/kg 30 minutes before or after meal. Effects of timings of administration were investigated using a crossover study. Average serum concentrations in the group administered with the drug before meal reached their peaks at 1 hour after administration with an average level of 2.34 +/- 0.16 micrograms/ml and diminished with a half-life of 1.94 +/- 0.08 hours to 0.29 +/- 0.04 microgram/ml at 8 hours after administration. In the group administered with the drug after meal, average serum concentrations attained their peaks at 4 hours after administration at an average level of 1.93 +/- 0.09 micrograms/ml, and decreased with a half-life of 2.08 +/- 0.19 hours to 0.58 +/- 0.16 microgram/ml at 8 hours. Urinary recovery rates of CPDX in the first 8 hours after administration of CPDX-PR in the before-meal and the after-meal groups averaged 34.4 +/- 6.3% and 38.5 +/- 7.0%, respectively. In a separate experiment, 7 cases were administered with CPDX-PR, 30 minutes after meal, at a dose level of either 3 or 6 mg/kg. Effects of the 2 different dose levels were investigated also using a crossover study. Average serum concentrations at their peaks attained at a 4 hours after administration for the 2 dosage groups (3 and 6 mg/kg) were 1.76 +/- 0.11 and 3.08 +/- 0.41 micrograms/ml, respectively. Average half-life values for the 2 groups were 2.40 +/- 0.14 and 2.25 +/- 0.07 hours, respectively, with average 8 hour values of 0.64 +/- 0 buy vantin .10 and 1.30 +/- 0.21 micrograms/ml, respectively. Urinary recovery rates in the first 8 hours after administration averaged 40.4 +/- 3.2% and 46.3 +/- 6.5%, respectively. From these results, it appeared that the absorption of the drug was affected by the timing of administration (before or after meal), and the presence of ingested foods in the digestive system delayed the absorption. The overall quantity absorbed, however, did not seem to be affected by the timing of administration. These data also showed that serum and urinary concentrations of the drug depended on dose levels.(ABSTRACT TRUNCATED AT 400 WORDS)

vantin drug class 2015-02-22

Cefpodoxime proxetil (RU 51 807) is the oral prodrug of cefpodoxime (RU 51 763), a third generation cephalosporin. The antibacterial activity of cefpodoxime was compared with the activities of amoxicillin in combination with buy vantin clavulanic acid (AUG), cefaclor (CCl), cefuroxime (CXM) and cefotaxime (CTX), against species of Enterobacteriaceae showing a resistance pattern against ampicillin (AMP), ticarcillin (TIC), cefalothin (CFT) and cefotaxime (CTX) respectively. For strains AMP and TIC R, CFT and CTX S, MICs 90% of cefpodoxime were 1 mg/l (E. coli), 0.5 (K. pneumoniae), 0.06 (P. mirabilis), 0.5 (Shigella sp.) and 1 (Salmonella sp.); they were 4 to 16 times as high for AUG -CCL -CXM and 4 to 16 times as low for CTX. For K. pneumoniae AMP and TIC R, CFT I/R and CTX S, similar résults were obsereved for the 5 beta-lactam antibiotics, but with an activity 10 times as low. Among the species AMP R, TIC S, CFT R and CTX S, cefpodoxime was active against P. rettgeri, P. stuartii, C. diversus, E. aerogenes and Y. enterocolitica (MICs 90% ranging from 2 to 4 mg/l; from 0.12 to 1 mg/l for CTX) and less active or inactive against P. vulgaris, E. cloacae, S. marcescens, M. morganii and E. coli (MICs 90% ranged from 16 to 32 mg/l; from 1 to 4 mg/l for CTX).(ABSTRACT TRUNCATED AT 250 WORDS)

vantin generic name 2015-06-08

The in vitro activity of the buy vantin compound RU-51746, the sodium salt of cefpodoxime (which is administered orally as the ester cefpodoxime proxetil) was compared with that of other commonly used oral antibiotics against a selection of clinical isolates of common bacteria from patients with urinary tract, soft tissue and respiratory tract infections. RU-51746 was found to inhibit 90% of Enterobacteriaceae at less than 1 mg/l; pneumococci, pyogenic streptococci (Lancefield groups A, C and G) and Streptococcus agalactiae were almost all inhibited by concentrations of less than 0.06 mg/l; Haemophilus influenzae (including beta-lactamase producers) were inhibited by less than 1 mg/l; 90% of Branhamella catarrhalis were inhibited at less than 2 mg/l. Activity against Acinetobacter spp. and staphylococci was variable and enterococci were all resistant.

vantin dosing uti 2017-09-18

Fourteen thousand six hundred and sixty-one children, 6 to 24 months of age, presenting with AOM were included in 2 studies, between November 1, 2009 and October 31, 2012. The first one was conducted with the support of 62 private practice pediatricians; the second one was conducted in buy vantin 7 pediatric emergency departments. Three periods of 1 year each were defined.

vantin tablets 2016-12-25

The pharmacokinetics of the older and more recent oral cephalosporins are reviewed. With the exception of cefadroxil the older agents (cephalexin, cephradine and cefaclor) have serum elimination half-lives of less than or equal to 1 h and hence have to be administered three to four times daily. The urinary recovery of these agents is high (greater than 80% of oral dose) with the exception of cefaclor (54%). Cefaclor is also chemically unstable. The newer agents can be divided into those that are prodrugs (cefpodoxime proxetil and cefuroxime axetil) and compounds that are absorbed as such (cefixime, cefprozil and ceftibuten). They all have half-lives greater than 1.25 h and can be given once or twice daily. The penetration of these agents into an inflammatory exudate was studied and found to be cefixime 132%, ceftibuten 113%, cefpodoxime 104%, cefuroxime 92% and cefprozil 79% of the serum concentration. The penetration of cefpodoxime and cefixime into the respiratory tract was also studied; the mean percentage bronchial mucosal penetration was 52% for the former and 38% for cefixime. buy vantin The urinary recovery of these newer agents (with the exception of ceftibuten) tends to be less than that of the earlier agents. There was a relationship between the serum elimination half-life of these agents and the degree of tissue penetration, those agents with longer half-lives penetrating to a greater extent.

vantin reviews 2017-07-19

The risk for a child to carry penicillin-resistant S. pneumoniae (MIC > or = 0.125 mg/l) did not increase after antibiotic treatment: 84 of 364 (23.1%) before, 70 of 364 (19.2%) after. There was a significant decrease of penicillin-susceptible S. pneumoniae carriage, 117 of 364 (32.1%) before treatment compared with 24 of 364 (6.6%) (P = 0.0001) after treatment. However, among the children carrying S. pneumoniae at the end of the buy vantin treatment there was an increase in the percentage of penicillin-resistant pneumococci: 84 of 201 (41.8%) before treatment and 70 of 94 (74.5%) after treatment. Among the 94 children carrying S. pneumoniae at the end of the treatment, 22 did not harbor pneumococcus before, 16 carried another genotypically different serotype and 56 harbored the same serotype. Among these 56 children 2 patients harbored strains that had increased MICs for the tested beta-lactam antibiotics. The randomly amplified polymorphic DNA analysis showed that in one case, the strains were genetically different.

vantin 100mg tablets 2015-10-05

Inferences drawn from in vitro studies suggest that microballoons may be potential delivery system for cefpodoxime proxetil with improvement Protonix Drip Dosing in bioavailability in comparison to conventional dosage forms.

vantin 200 mg 2016-10-28

To determine the effect of protein binding on the pharmacokinetics and distribution from plasma to Benicar Overdose interstitial fluid (ISF) of cephalexin and cefpodoxime proxetil in dogs.

vantin generic 2016-05-25

The clinical efficacy was examined for the newly developed oral cephem antibiotic, cefpodoxime proxetil (CPDX-PR) dry syrup, in the treatment of various acute infections in the field of pediatrics. CPDX-PR dry syrup was administered at 10 mg/kg/day in 3-divided doses to 535 children at 21 institutions, including Tottori University Hospital and its related hospitals. The efficacy rate of this drug was determined to be 80.8%. Among isolates, Staphylococcus aureus and Streptococcus sp. were highly susceptible to the drug, whereas Haemophilus influenzae showed relatively poor susceptibility. Side effects were Celexa Therapeutic Dose observed in 2.80% of all of the patients, and abnormal laboratory findings were detected in 1.87%. The low incident of side effects demonstrated its high safety, and this drug was considered to be very useful for such pediatric infections as acute tonsillitis, acute pharyngitis and acute bronchitis.

vantin dosing 2017-11-01

In this study, a 5-day course of cefpodoxime-proxetil at 200 mg bid was as clinically effective as amoxicillin-clavulanic acid 1 g/125 mg bid for 8 days with a significantly Topamax Cost better safety profile and compliance.

vantin 200mg generic 2015-04-11

To develop and validate specific Trileptal Starting Dose and accurate UV spectrophotometric method of cefpodoxime proxetil by using different hydrotropic solubilizing agents.

cost of vantin 2016-07-11

We evaluated in vitro and in vivo activities of cefpodoxime proxetil (CPDX-PR) in comparison with other oral beta-lactams, cefdinir (CFDN), cefditoren pivoxil (CDTR-PI), and faropenem (FRPM), against penicillin-susceptible and -resistant Streptococcus pneumoniae. In vitro activities (MICs) of CPDX, CFDN, CDTR, and FRPM against clinical isolates, penicillin-susceptible S. pneumoniae (PSSP: MIC of penicillin G, < or = 0.063 microgram/ml), penicillin-intermediate S Astelin Medicine . pneumoniae (PISP: MIC of penicillin G, 0.125-1 microgram/ml), and penicillin-resistant S. pneumoniae (PRSP: MIC of penicillin G, > or = 2 micrograms/ml), were tested by an agar dilution method. The MIC80s of CPDX against 27 PSSP strains, 23 PISP strains, and 23 PRSP strains were 0.032, 1, and 8 micrograms/ml, respectively, which were superior to or equal to those of CFDN (0.063, 4, and 8 micrograms/ml) and were inferior to those of CDTR (0.016, 0.5, and 1 microgram/ml) and FRPM (< or = 0.008, 0.25, and 1 microgram/ml). Infection was induced in mice by inoculating with a PRSP clinical isolate, 9605 or 9601 (serotype 6), or 10692 (serotype 19), through the nares of male ddY mice into the lungs. The mice were treated with drugs with doses of 2-50 mg/kg at 18, 26, 42, and 50 hours after the infection. Viable cell numbers in the lungs and blood were assayed at 66 hours after the infection. The efficacy of each drug was dose-dependent. CPDX-PR showed the most potent in vivo efficacy among the drugs tested against the infections caused by the PRSP strains. MICs of the drugs against PRSP 9605, 9601, and 10692 were as follows: CPDX, 4, 4 and 2 micrograms/ml; CFDN, 16, 16, and 4 micrograms/ml; CDTR, 1, 1, and 0.5 microgram/ml; and FRPM, 1, 0.5, and 0.5 microgram/ml, respectively. Thus, CPDX-PR showed a stronger in vivo activity than that expected from the MICs of CPDX. This was probably caused by the pharmacokinetic advantage of CPDX over the other drugs used in this study.

vantin 200mg tab 2016-05-12

Antibiotics were prescribed in Cialis Overdose 12,471 (85.1%) of cases of AOM during the study period. Amoxicillin prescriptions was multiplied by 25, between the first year (2.6%) and the last year (66.1%). Conversely, prescriptions of cefpodoxime proxetil and amoxicillin-clavulanic acid decreased from 33.6% and 62.0% in the first year to 5.2% and 27.7% in the last year, respectively. This trend was observed in both private practices and in the pediatric emergency departments.

vantin max dose 2017-05-26


vantin drug interactions 2017-10-13

Twenty-four healthy volunteers and 24 patients undergoing transurethral resection of the prostate received an oral dose of 200 mg of cefpodoxime as proxetil ester in a fasting state. At the same time 3.235 g of iohexol, a renal contrast medium, was injected intravenously to indicate possible urinary contamination of the prostatic fluid. The subjects were divided into three groups each. After 3, 6 and 12 h the cefpodoxime concentrations were measured in plasma, urine, prostatic fluid and ejaculate in volunteers and in plasma, prostatic fluid and prostatic adenoma tissue in patients by a bioassay as well as by an HPLC method. In general, the concentrations measured by bioassay were higher than those by HPLC. The median plasma concentrations (bioassay) in volunteers (patients) after 3, 6 and 12 h were 2.28 (2.34) mg/l, 0.95 (1.17) mg/l and 0.12 (0.28) mg/l, respectively. The median ejaculate concentrations after 6 and 12 h were 0.95 mg/l and 0.19 mg/l, respectively. Only in three volunteers and in one patient prostatic fluid concentration without urinary contamination could be measured after 3 h with a median fluid to plasma ratio of 0.10. The prostatic adenoma tissue concentrations (bioassay) after 3 and 6 h were 0.50 mg/kg and 0.24 mg/kg with tissue to plasma ratios of 0.30 and 0.26, respectively. After 3 h about half of the volunteers and after 12 h about half of the patients showed no detectable concentration in ejaculate (volunteers) and prostatic tissue (patients), respectively. It was concluded that the cefpodoxime should be administered 3 to 6 h prior to surgery if used for perioperative prophylaxis.(ABSTRACT TRUNCATED AT 250 WORDS)

vantin drug classification 2017-04-17

Cefpodoxime proxetil (CPDX-PR) is an oral cephalosporin antibiotic with poor aqueous solubility and bioavailability. Effect of beta-cyclodextrin on aqueous solubility and dissolution rate of cefpodoxime proxetil was evaluated by the formation of solid inclusion complexes in 1:2 molar ratio of drug: cyclodextrin. Phase solubility study was carried out whereby a typical B's type curve was obtained thus, indicating a 1:2 stoichiometric ratio for optimum complex formation. Solid inclusion complexes in 1:2 molar ratios were prepared by using methods such as physical mixture, solvent evaporation and freeze drying. Prepared complexes were characterized by fourier transform infrared spectroscopy (FT-IR) differential scanning calorimetry (DSC), powder x-ray diffraction (PXRD) and scanning electron microscopy (SEM). Results of in vitro studies appraised of an increased solubility and dissolution rate of cefpodoxime proxetil on complexation with beta- cyclodextrin (P < 0.05) as compared to CPDX-PR alone. Amongst the complexes prepared by different methods, the complex prepared by freeze drying showed the highest dissolution rate (P< 0.01). The in vitro antimicrobial activity of cefpodoxime proxetil and its freeze dried complex (1:2) was studied against both antibiotic-susceptible and antibiotic-resistant clinical isolates of Neisseria gonorrhoeae. The freeze dried complex (1:2) inhibited all penicillin-susceptible strains and penicillinase-producing strains at 0.015 microg/ml concentration. Chromosomally resistant strains which were not responsive to penicillin were inhibited by the complex at 0.125 microg/ml concentration. The study revealed that complexation of cefpodoxime proxetil with beta-cyclodextrin effectively enhanced the aqueous solubility and in vitro antibacterial activity.

vantin tabs 200mg 2016-03-24

OBJECTIVE: To investigate changes in fecal flora and multiple-dose pharmacokinetics with the oral antibiotics ceftibuten 400 mg daily and cefpodoxime proxetil (CPX) 200 mg every 12 h, compared to amoxycillin/clavulanate 500/125 mg every 8 h during and following 1 week of medication. METHODS: In an open randomized triple crossover design, 18 (nine female, nine male) healthy volunteers received each drug for 7 days, followed by a 'washout' period of 4 weeks. Serum and urine levels of the substances were determined by bioassay, and for ceftibuten isomers by high-pressure liquid chromatography. Statistical analysis of quantitative aerobic and anaerobic cultures of feces was performed, and beta-lactamase activity was determined. RESULTS: Ceftibuten showed a mean Cmax of 18.9 (SD 3.0) mg/L, a terminal half-life of 2.89 h, and an AUCtot of 100 (21.8) mg.h/L; protein binding was 63.7 (5.1)%, and accumulation was marginal. Cefpodoxime proxetil had a Cmax of 1.92 (0.61) mg/L, a terminal half-life of 1.97 (0.42) h and an AUCtot of 10.8 (3.3) mg.h/L; no accumulation was seen. Amoxycillin and clavulanate had Cmax values of 7.15 (2.16) mg/L and 3.39 (1.31) mg/L, terminal half-life values of 1.03 (0.15) h and 0.93 (0.17) h, AUCtot values of 20.0 (4.2) mg.h/L and 8.87 (3.10) mg.h/L, and there was no accumulation. Statistical analysis for ech microorganism in fecal samples showed significant differences between amoxycillin/clavulanate and the two third-generation cephalosporins, but virtually no differences between ceftibuten and cefpodoxime proxetil. Eleven of 12 volunteers reported loose stools (days 2-7, mean duration 4.4 (SD 2.7) days) with amoxycillin/clavulanate, but nobody during ceftibuten administration and one volunteer during cefpodoxime proxetil administration. CONCLUSIONS: Ceftibuten showed excellent and cefpodoxime favorable pharmacokinetic properties, with significantly less pronounced fecal flora changes and intestinal side effects compared to amoxycillin/clavulanate. The multiple crossover design allows powerful microbiological statistical analysis and pharmacokinetic parameter comparisons.

vantin renal dosing 2015-10-27

In order to compare the clinical efficacy and safety of cefatrizine (Cefaperos) and cefpodoxime proxetil (Orelox) in the treatment of secondarily infected chronic obstructive pulmonary disease (COPD) in adults, a multicentre, randomized, open study was conducted by 60 general practitioners in two parallel groups of patient suffering from COPD complicated by an acute episode of superinfection (Anthoniesen stages 2 and 3). After verification of the eligibility criteria, written consent and randomization, the patients received, for 10 days, either cefatrizine at the dose of 1 g/day or cefpodoxime proxetil at the dose of 400 mg/day. A self-assessment form was given to the patient. A telephone visit was planned for D3. The final visit on D11 +/- 1 evaluated clinical efficacy (success or failure) and safety. The study population was composed of 250 patients with a mean age of 59.9 +/- 15.9 years (sex ratio M/F = 1.5). The principal etiology of COPD was chronic bronchitis in 67.5% of patients, longstanding asthma in 24.5% and emphysema in 6.8%. The mean history of the disease was 13.0 +/- 10.8 years. The Anthoniesen score was equal to 2 in 73.6% of patients, 3 in 8.8% of patients and 1 in 17.6% of patients. No significant difference concerning these criteria was observed between the two study groups. The clinical success rate was equivalent in the two groups. The time to regression of clinical signs tended to be shorter, up until the sixth day (mainly between D4 and D6) for patients treated with cefatrizine (p = 0.09; NS). The clinical safety was considered to be good and was comparable in the two study groups. This study concluded on the equivalent clinical efficacy of cefatrizine and cefpodoxime proxetil in the treatment of superinfections of COPD in general practice (97.5% and 99%, respectively), with a satisfactory and comparable safety, but with a much lower cost of treatment for cefatrizine. This conclusion is particularly important in the context of opposable medical references, as, although the treatment of superinfections of COPD by second and third generation cephalosporins is frequently proposed, the prescription of a less expensive cephalosporin appears to be more relevant.

vantin uti dosing 2015-07-22

To discuss the chemistry, pharmacokinetics, spectrum of activity, clinical trials, adverse effects, drug interactions, and dosage guidelines of cefpodoxime proxetil.

vantin antibiotic dosage 2017-11-03

Immediate antimicrobial therapy with trimethoprim-sulfamethoxazole, nitrofurantoin, or fosfomycin is indicated for acute cystitis in adult women. Increasing resistance rates among uropathogens have complicated treatment of acute cystitis. Individualized assessment of risk factors for resistance and regimen tolerability is needed to choose the optimum empirical regimen.

vantin 100 mg 2015-05-25

U-76,253A (R-3746), the active metabolite of the new cephalosporin ester, U-76,252 (CS-807), was tested against 4,742 fresh clinical isolates from four large medical centers. U-76,253A was very active against nearly all species of Enterobacteriaceae (87.7% inhibited at less than or equal to 4.0 micrograms/ml). Staphylococcus spp., and the streptococci. The U-76,253A spectrum was superior to the comparison orally administered cephalosporins (cephalexin, cephradine, cefaclor). Pseudomonas spp., Acinetobacter spp., and the enterococci were resistant to U-76,253A and the other tested drugs. Broth microdilution MIC quality control (QC) limits were established for U-76,253A in a multilaboratory investigation using a minimum of 125 MIC determinations per organism. The following MIC QC ranges were recommended; Escherichia coli (ATCC 25922) = 0.25-1.0 micrograms/ml, Staphylococcus aureus (ATCC 29213) = 2.0-4.0 micrograms/ml and Pseudomonas aeruginosa (ATCC 27853) = greater than 32 micrograms/ml.

buy vantin online 2016-07-14

A new validated spectrofluorimetric method has been developed for the determination of some cephalosporins namely; cefepime, cefaclor, cefadroxil, cefpodoxime and cefexime. The method was based on the reaction of these drugs with safranin in slightly alkaline medium (pH 8.0), to form ion-association complexes. The fluorescent products were extracted into chloroform and their fluorescence intensities were measured at 544-565 nm after excitation at 518-524 nm. The reaction conditions influencing the product formation and stability were investigated and optimized. The relative fluorescence intensity was proportional to the drug concentration in the linear ranges of 0.15-1.35, 0.35-1.25, 0.35-1.25, 0.20-1.44 and 0.20-1.25 μg/mL for cefepime, cefaclor, cefadroxil, cefpodoxime proxetil and cefexime, respectively. The detection limits were 40, 100, 100, 60 and 70 ng/mL, respectively. The performance of the developed method was evaluated in terms of Student's t-test and variance ratio F-test to find out the significance of proposed methods over the reference spectrophotometric method. Various pharmaceutical formulations were successfully analyzed using the proposed method and the results were in good agreement with those of the previously reported methods.