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Cefoprox (Vantin)

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Cefoprox is in a group of drugs called cephalosporin (SEF a low spor in) antibiotics. It works by fighting bacteria in your body. Cefoprox is used to treat many different types of infections caused by bacteria. Cefoprox may also be used for other purposes not listed in this medication guide.

Other names for this medication:
Cefirax, Cefobid, Cefodox, Cefpodoxime, Cepodem, Orelox, Tambac, Vantin

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Duricef, Ancef, Kefazol, Keflex, Keftabs, Velocef, Intracef, Ceporin

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Also known as:  Vantin.


Cefoprox is an oral, third-generation cephalosporin antibiotic. It is active against most Gram-positive and Gram-negative organisms. Notable exceptions include Pseudomonas aeruginosa, Enterococcus, and Bacteroides fragilis. Currently, it is only marketed as generic preparations in the USA, according to the FDA Orange Book. It is commonly used to treat acute otitis media, pharyngitis, sinusitis, and gonorrhea. It also finds use as oral continuation therapy when intravenous cephalosporins (such as ceftriaxone) are no longer necessary for continued treatment.

Cefoprox inhibits cell wall synthesis by inhibiting the final transpeptidation step of peptidoglycan synthesis in cell walls. It has well established pharmacokinetic profile with absorption of 50%. It is indicated in community acquired pneumonia, uncomplicated skin and skin structure infections, and uncomplicated urinary tract infections.


Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.

Take this medicine with a full glass of water.

The Cefoprox tablet should be taken with food.

Cefoprox oral suspension (liquid) can be taken with or without food.

Shake the liquid well just before you measure a dose. To be sure you get the correct dose, measure the liquid with a marked measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.

This medication can cause you to have false results with certain medical tests, including urine glucose (sugar) tests. Tell any doctor who treats you that you are using Cefoprox.

Take Cefoprox for the entire length of time prescribed by your doctor. Your symptoms may get better before the infection is completely treated. Cefoprox will not treat a viral infection such as the common cold or flu.

Store the tablets at room temperature away from moisture, heat, and light.

Store Cefoprox oral liquid in the refrigerator. Do not allow it to freeze. Throw away any unused medication that is older than 14 days.

Seek emergency medical attention if you think you have used too much of this medicine.

Overdose symptoms may include nausea, vomiting, stomach pain, and diarrhea.

Take the medication as soon as you remember the missed dose. If it is almost time for your next dose, skip the missed dose and use the medicine at your next regularly scheduled time. Do not use extra medicine to make up the missed dose.


Seek emergency medical attention if you think you have used too much of this medicine. Overdose symptoms may include nausea, vomiting, stomach pain, and diarrhea.


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 Cefoprox 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 take this medication if you are allergic to cefpodoxime, or to similar antibiotics, such as Ceftin, Cefzil, Keflex, Omnicef, and others.

Before taking this medication, tell your doctor if you are allergic to any drugs (especially penicillin). Also tell your doctor if you have kidney disease or a history of intestinal problems.

Take this medication for the entire length of time prescribed by your doctor. Your symptoms may get better before the infection is completely treated. Cefpodoxime will not treat a viral infection such as the common cold or flu.

Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or has blood in it, call your doctor. Do not use any medicine to stop the diarrhea unless your doctor has told you to.

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The efficacy and safety of azithromycin in otitis media and streptococcal pharyngitis, the simple dosing regimen and a highly palatable oral suspension formulation should increase compliance among pediatric patients and thereby improve clinical outcomes.

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In children, acute bacterial rhinosinusitis is a common infection and although rare, carries a potential for serious, life threatening complications. Bacterial rhinosinusitis usually follows a viral infection or allergic rhinitis. Early, effective antibacterial therapy is essential to shorten the duration of infection and illness, to diminish mucosal damage, and to prevent contiguous infectious involvement of the orbit or central nervous system. Because the signs and symptoms of acute bacterial rhinosinusitis are similar to those of viral upper respiratory tract infection, establishing an accurate diagnosis in children poses a clinical challenge. Infection with Streptococcus pneumoniae accounts for 30-66% of episodes of acute bacterial rhinosinusitis in children. Other important pathogens include Haemophilus influenzae (20-30%) and Moraxella catarrhalis (12-28%). In selecting initial antimicrobial therapy, priority should be given to drugs with activity against S. pneumoniae. The oral agents that currently offer the greatest activity against this pathogen include amoxicillin, amoxicillin-clavulanate, cefdinir, cefpodoxime proxetil, and cefuroxime axetil; all are considered appropriate for the initial treatment of acute bacterial rhinosinusitis in children. Amoxicillin is customarily used as first-line therapy for uncomplicated acute bacterial rhinosinusitis. For patients who are allergic to amoxicillin, second- or third-generation oral cephalosporins may be used as first-line therapy. Clarithromycin has been suggested as an alternative to amoxicillin or cephalosporins in beta-lactam allergic patients. Clindamycin may also be indicated as first-line treatment in patients who have culture-proven penicillin-resistant S. pneumoniae. If no clinical response occurs within 72 hours, the choice of a second-line antibiotic is governed by the drug's known antimicrobial efficacy, resistance patterns, dosing schedules, the potential for compliance, and knowledge of the patient's drug allergies. High-dose amoxicillin-clavulanate (90 mg/kg/d of the amoxicillin component) has been recommended for high-risk children (e.g. those in day care, and those who have recently received antibiotics) who show no improvement after treatment with the usual dose of amoxicillin (45 mg/kg/d). Broad-spectrum, third-generation oral cephalosporins, such as cefdinir, should be considered as second-line agents when standard therapy has failed or when patients show hypersensitivity to penicillin. Intramuscular ceftriaxone may be appropriate for patients who fail on a second course of antibiotic treatment.

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To determine the oral kinetic ( blood and tissue) after single therapeutic dose of cefpodoxime proxetil (20mg/kg oral bid 7 days) in rats of either sex on tissue half life and certain biochemical parameters such as glucose, hemoglobin, protein, ALT, AST and other parameters like tissue residue, sperm count and spermatozoa motility in male rats.

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A stability-indicating spectrofluorometric method was investigated for the determination of three cephalosporin drugs, namely, cefpodoxime proxetil (CPD), cefixime trihydrate (CFX), and cefepime hydrochloride (CPM), via their acid and alkali degradation products. The three drugs were determined via their acid degradation at 432, 422, and 435 nm using an excitation wavelength of 310, 330, and 307 nm for CPD, CFX, and CPM determination, respectively, and via their alkali degradation at 407, 411, and 405 nm using an excitation wavelength of 310, 305, and 297 nm for CPD, CFX, and CPM determination, respectively. Linearity was achieved in the ranges of 0.35-3.50, 0.4-4.0, and 0.3-3.0 μg/mL for the acid degradation products of CPD, CFX, and CPM, respectively, and in ranges of 0.05-0.5, 0.1-1.0, and 0.08-0.80 μg/mL for the alkali degradation products of CPD, CFX, and CPM, respectively. The method was validated for various parameters according to International Conference on Harmonization guidelines. The method was successfully applied for the determination of these cephalosporin drugs in pharmaceutical dosage forms with good accuracy and precision. The results obtained by the proposed spectrofluorometric method were compared with good agreement to the official HPLC method.

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The present study deals with spectrophotometric analysis of cefpodoxime proxetil by utilizing 4 different hydrotropic agents such as ammonium acetate (6 M), sodium citrate (1.25 M), sodium gycinate (1 M), sodium chloride (1 M), and urea (1 M).

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To determine the disposition of orally administered cefpodoxime proxetil in foals and adult horses and measure the minimum inhibitory concentrations (MICs) of the drug against common bacterial pathogens of horses.

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We report a case of acute interstitial nephritis (AIN) and immune hemolytic anemia (IHA) associated with cefpodoxime therapy.

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To evaluate the economic benefit associated with the early conversion of therapy from intravenous ceftiaxone to the comparable oral third-generation cephalosporin, cefpodoxime proxetil.

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Cefpodoxime proxetil (CP) is a prodrug of cefpodoxime acid (CA), and is supplied as racemic mixture of R- and S-enantiomers. CP has only 50% absolute bioavailability, and the reasons responsible for low bioavailability remain poorly understood. The present work ascertains physicochemical and biological properties of individual isomers of CP and explores their capacity to optimize delivery of CP. Both isomers showed similar pH stability behavior, but R-isomer was more susceptible to enzymatic metabolism compared to S-isomer, when incubated with enzymes collected from various segments of GIT. Based on the in vitro and in vivo results, use of S-isomer for development of a dosage form such as gastro-retentive dosage form can improve oral bioavailability of CP.

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Ten healthy volunteers were given 200 mg cefpodoxime proxetil tablets every 12 h and ten volunteers received 500 mg amoxicillin tablets every 8 h for seven days and the impact of the agents on the oral and intestinal microflora was studied. In the oral microflora, only minor alterations were observed in both groups. In subjects receiving cefpodoxime proxetil, the numbers of streptococci, enterobacteria and clostridia were strongly reduced in the faecal flora, while there was an overgrowth of enterococci, yeasts and Clostridium difficile. Amoxicillin administration induced somewhat smaller alterations in the faecal microflora, although all subjects had overgrowth of new colonizing amoxicillin resistant microorganisms, mainly Escherichia coli, Klebsiella and Enterobacter. Beta-lactamase activity was detected in the flora of six volunteers from each group.

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Compliance with antibiotics is essential to ensure treatment efficacy and to prevent the emergence of bacterial resistant stains. In children who take oral form, the palatability and the frequency of administration seem to be factors important to good compliance.

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Urinary tract infection is among the most common reasons for an outpatient visit and antibiotic use in adult populations. The increasing prevalence of antibacterial resistance among community uropathogens affects the diagnosis and management of this clinical syndrome.

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cefoprox 100 tab 2017-04-06

Eighteen patients undergoing thoracotomy for suspected pulmonary neoplasia were given 200 mg cefpodoxime equivalent by mouth, before operation. Plasma samples were obtained before dose administration, and plasma and lung tissue samples were obtained at the time of operation which was 3, 6 or 12 h after the dose. All samples were assayed for cefpodoxime. The mean ratios for lung tissue/plasma concentrations were similar between 3 and 12 h after dose, suggesting that equilibrium between plasma and lung tissue concentrations was reached within 3 h of medication. The mean concentrations of cefpodoxime in lung tissue were 0.63 +/- 0.16, 0.52 +/- 0.09 and 0.19 +/- 0.02 mg/kg at 3, 6 and 12 h after administration, respectively. These observations indicate Normax Pills good, rapid and sustained penetration into lung tissue in concentrations greater than or equal to the MIC90 for most common micro-organisms found in community-acquired pneumonia.

cefoprox 325 mg 2016-02-09

Cefpodoxime proxetil is a new oral esterified cephem antibiotic with a broad antibacterial spectrum. The dissolution of cefpodoxime proxetil is pH dependent. The objectives of this study were to characterize the pharmacokinetics of cefpodoxime proxetil in two different oral doses and to examine possible interactions with an antacid, aluminum magnesium hydroxide (Maalox 70), and an H2 receptor antagonist, famotidine. Two studies involving the same 10 healthy volunteers were performed. In the first study, cefpodoxime proxetil was administered in two doses, 0.1 and 0.2 g. In the second study, two interventions were performed in a randomized crossover design. For one intervention, the volunteers were pretreated with 40 mg of famotidine 1 h before 0.2 g of cefpodoxime proxetil was administered. In the second trial, participants were given 10 ml of Maalox 70 2 h and 10 ml of Maalox 70 15 min before they received 0.2 g of cefpodoxime proxetil. Serum and urine concentrations were determined by high-performance liquid chromatography. For the statistical evaluation, these data were tested by using the pharmacokinetics of 0.2 g of cefpodoxime proxetil from the first study. The maximum concentrations were 1.19 +/- 0.32 mg/liter after 0.1 g of cefpodoxime proxetil and 2.54 +/- 0.64 mg/liter after 0.2 g of cefpodoxime proxetil. The elimination half-lives were 149 Buy Myambutol Online min for 0.1 g and 172 min for 0.2 g of cefpodoxime proxetil. The total increase in the area under the concentration-time curve (AUC) was dose dependent. Combination with Maalox 70 caused a reduction in the AUC from 14.0 +/- 3.9 to 8.44 +/- 1.85 mg.h/liter. After famotidine, the AUC decreased to 8.36 +/- 2.0 mg . h/liter. Corresponding changes were registered for the maximum concentration of drug in serum, 24-h urine recovery, and the time to maximum concentration of drug serum. Cefpodoxime proxetil was well tolerated without any seriously adverse drug reactions.

cefoprox 200 mg uses 2015-06-17

The clinical success rates at day 12-19 in the per-protocol population (primary analysis) were 92.3% (215/233) in the cefpodoxime-proxetil group and 93.6% (204/218) in the amoxicillin-clavulanic acid group. The 95% confidence interval of [6.5%; 3.9%] demonstrated that cefpodoxime-proxetil was not inferior to amoxicillin-clavulanic Remora Tuckable Holster Review acid. Cure rates at follow-up (day 25-30) were 90.6% and 92.7%, respectively. Results were similar in the intent-to-treat population. Compliance was significantly better in the cefpodoxime-proxetil group (99.2% versus 95.5%; p=0.011). Tolerance was also significantly better: 1.2% (3/247) of cefpodoxime-proxetil patients reported a treatment-related adverse event, compared with 10.7% (26/244) in the amoxicillin-clavulanic acid group (p<0.001). Most events were gastrointestinal and of mild to moderate intensity.

cefoprox 50 dry syrup 2017-03-14

Clinical studies Augmentin Pediatric Dose Calculator on cefpodoxime proxetil (CS-807, CPDX-PR) dry syrup were carried out in the field of pediatrics, and the results are summarized as follows. 1. Eleven year-old male and 12 year-old female were administered orally at a dose level of 5.6 and 6.0 mg/kg, respectively, after or before meal. Cmax and T1/2 were 5.0 micrograms/ml and 2.13 hours, respectively, for the male and 4.04 micrograms/ml and 1.63 hours, respectively, for the female. 2. Good clinical responses were obtained in 21 of 22 child patients with bacterial pharyngitis, tonsillitis, scarlet fever and urinary tract infections. One child with Mycoplasma pneumonia did not respond. As to bacteriological effects, eradication of pathogens was observed in 8 out of 11 strains, showing an eradication rate of 72.7%. 3. As to side effect, 1 case of loose stool was observed, but there was no need of discontinuing the drug treatment.

cefoprox 200 mg dosage 2017-07-08

The 10-day regimen resulted in a higher Amoxil 875 Pill success rate at the conclusion of therapy, but there were no differences between the two study groups 4 to 6 weeks after enrollment in the study protocol.

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This case demonstrates the potential for renal toxicity with the use of indinavir sulfate in HIV-infected Tetracycline Drug Classification hemophiliacs.

cefoprox dose 2015-01-23

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 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 Ciprofloxacin Dose Pink Eye and to assess the efficacy of cefpodoxime and other agents in preventing rheumatic fever.

cefoprox cv 325 medicine 2016-08-14

Children with acute infections were treated with cefpodoxime proxetil (CPDX-PR, CS-807), a new oral cephalosporin. 1. A girl of 4 years old, weighing 17 kg, and another girl of 12 years old, weighing 33 kg, were administered orally each 3 mg/kg of CPDX-PR. Blood levels of CPDX reached peaks of 1.39 and 2.26 micrograms/ml at 4 hours-post-dose, and T1/2's were 2.09 and 2.63 hours, respectively. Cumulative urinary recovery rates for 8 hours were 57.3 and 80.9%, respectively. 2. A total of 30 patients was treated with CPDX-PR. These patients included 10 with acute tonsillitis, 6 with acute bronchitis, 5 with bronchopneumonia, 2 with scarlet fever and 2 with urinary tract infections, and one each with acute pneumonia, acute otitis media, acute otitis media plus sweat gland abscess, staphylococcal scalded skin syndrome and acute lymphadenitis. The treatment was effective in 27 cases out of 29 (except one with an unknown response) with a clinical efficacy rate of 93.1%. 3. Bacteriological responses to CPDX-PR were as follows; eradication of pathogen in 7, and unknown in 2 out of 9 cases from whom pathogens had been isolated prior to the treatment. 4. As a side effect, diarrhea was observed in 1 patient, but it was possible to continue the treatment. Largopen 625 Mg With regard to laboratory tests, a slight elevation of GOT and slight elevations of GOT and GPT were found in 1 case each.

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The disposition of cefpodoxime in 24 subjects with various degrees of renal function after administration of a single oral dose of 200 mg of cefpodoxime proxetil (equivalent to 200 mg of cefpodoxime activity) was studied. Subjects were assigned to one of four groups (six per group): group I, normal renal function (creatinine clearance [CLCR], greater than ml/min); group II, mild renal impairment (CLCR, 50 to 80 ml/min); group III, moderate renal impairment (CLCR, 30 to 49 ml/min); or group IV, severe renal impairment (CLCR, 5 to 29 ml/min). Although cefpodoxime terminal elimination half-life in group I (2.55 +/- 0.25 h [mean +/- standard deviation]) was not significantly different from that in group II (3.53 +/- 0.74 h), the half-life values for group III (5.90 +/- 1.67 h) and group IV Clindahexal 300 Mg N1 (9.80 +/- 1.21 h) were significantly prolonged compared with those of group I. The mean absorption rate constant was similar among groups and ranged from 0.68 to 0.85 h-1. All groups exhibited absorption lag-times which were comparable (0.30 to 0.41 h), and the apparent volume of distribution was similar among groups. Cefpodoxime apparent total body clearance (CLP/F) values in groups II, III, and IV (132 +/- 29, 112 +/- 41, and 55.7 +/- 9.9 ml/min, respectively) were significantly lower than that in group I (238 +/- 44 ml/min). Cefpodoxime CLP/F was positively correlated with CLCR (r2 = 0.79; P less than 0.05): CLP/F = (1.9 CLCR) + 18.4. Renal clearance also declined with decreasing renal function. Adjustments in cefpodoxime organism and on the site and severity of infection. Simulated plasma concentration-time data from this study suggest that 200 mg of cefpodoxime proxetil administered every 12 to 24 h to subjects with CLcr between 30 and 49 ml/min and 200-mg dose taken every 24 h by subjects with CLcr between 5 and 29 ml/min will maintain cefpodoxime concentration in plasma similar to those in subjects with normal renal function who receive a standard dosage mg every 12 h.

tab cefoprox cv 2016-12-06

The authors present their experience with antimicrobial treatment with cephalosporin of the third generation, cefpodoxime proxetil, in skin and soft tissue infections in a group of patients treated at the ambulatory department of the Surgical Clinic in Prague 10 in 1995. From the total Azithromycin Dosage Chlamydia Infection number antimicrobial treatment was administered to 6 patients with a phlegmon, 5 patients with panaritium, 4 patients with an early infection after laparotomy, 3 with an abscess in the subcutaneous layer, and with cheilitis and bursitis of the olecranon in the remaining two patients. In addition to surgical treatment (incision, evacuation and drainage) cefpodoxime proxetil-200 mg after 12-hour intervals for 6-9 days-was administered to the patients. For microbiological examination a smear from the inflammatory focus and from the nasopharynx was used. The cefpodoxime proxetil serum level was assessed during the 1st-11th hour after administration of the antibiotic. All 20 patients recovered.