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Drug Interactions between cefpodoxime and entecavir

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

cefpodoxime entecavir

Applies to: cefpodoxime and entecavir

MONITOR: Coadministration of entecavir with another drug that is also eliminated by active tubular secretion may result in increased plasma concentrations of one or both drugs due to competitive inhibition of transporters in the renal tubules. Drugs (and/or their metabolites) that are thought to undergo active tubular secretion include acyclovir, allopurinol, aminosalicylic acid, cidofovir, cimetidine, creatine, dyphylline, famciclovir, famotidine, flecainide, ganciclovir, levetiracetam, metformin, methotrexate, midodrine, mycophenolic acid, oseltamivir, pralatrexate, probenecid, procainamide, quinidine, ranitidine, tenofovir, triamterene, trimethoprim, valacyclovir, valganciclovir, zalcitabine, zidovudine, and many of the beta-lactam and quinolone antibiotics.

MANAGEMENT: Patients receiving entecavir with another drug that undergoes active tubular secretion should be monitored for excessive pharmacologic effects of both drugs, and the dosages adjusted as necessary.

References (1)
  1. (2005) "Product Information. Baraclude (entecavir)." Bristol-Myers Squibb

Drug and food interactions

Moderate

cefpodoxime food

Applies to: cefpodoxime

ADJUST DOSING INTERVAL: Food enhances the oral bioavailability of cefpodoxime proxetil tablets. Following a 200 mg dose taken with food, the extent of absorption (mean AUC) was 21% to 33% higher and the mean peak plasma concentration (Cmax) 19% higher than under fasting conditions. Time to peak concentration (Tmax) was not significantly different between fed and fasted states. On the contrary, when a 200 mg dose of the suspension was taken with food, the mean AUC and Cmax were not significantly different than those under fasting conditions, although the rate of absorption was slower with food (48% increase in Tmax ).

MANAGEMENT: To ensure maximal oral absorption, cefpodoxime proxetil tablets should be administered with or immediately after a meal.

References (3)
  1. Hughes GS, Heald DL, Barker KB, et al. (1989) "The effects of gastric pH and food on the pharmacokinetics of a new oral cephalosporin, cefpodoxime proxetil." Clin Pharmacol Ther, 46, p. 674-85
  2. "Product Information. Vantin (cefpodoxime)." Pharmacia and Upjohn
  3. Borin MT, Driver MR, Forbes KK (1995) "Effect of timing of food on absorption of cefpodoxime proxetil." J Clin Pharmacol, 35, p. 505-9
Moderate

entecavir food

Applies to: entecavir

ADJUST DOSING INTERVAL: Food delays the oral absorption and reduces the oral bioavailability of entecavir. According to the product labeling, administration of entecavir 0.5 mg with a standard high-fat meal or a light meal resulted in a delay in absorption by 0.25 to 0.75 hours, a decrease in the peak plasma concentration (Cmax) by 44% to 46%, and a decrease in the area under the plasma concentration-time curve (AUC) by 18% to 20% compared to administration in the fasting state.

MANAGEMENT: To ensure maximal oral absorption, entecavir should be administered on an empty stomach at least 2 hours after a meal and 2 hours before the next meal.

References (1)
  1. (2005) "Product Information. Baraclude (entecavir)." Bristol-Myers Squibb

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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