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Cefpodoxime Proxetil and Neut

Determining the interaction of Cefpodoxime Proxetil and Neut and the possibility of their joint administration.

Check result:

Cefpodoxime Proxetil <> Neut

Relevance: 05.09.2022 Reviewer: Shkutko P.M., M.D., in

In the database of official manuals used in the service creation an interaction registered by statistical results of studies was found, which can either lead to negative consequences for the patient health or strengthen a mutual positive effect. A doctor should be consulted to address the issue of joint drug administration.

Consumer:

Using cefpodoxime together with sodium bicarbonate can decrease the effects of cefpodoxime. You should avoid taking antacids or oral medications that contain antacids for at least two hours before and after administration of the antibiotic. You may need a dose adjustment or special test if you use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Professional:

ADJUST DOSING INTERVAL: Coadministration with antacids or agents with acid-neutralizing effects may reduce the oral bioavailability of cefpodoxime proxetil and cefuroxime axetil. The proposed mechanism is a pH-dependent reduction in drug dissolution and absorption. In ten healthy volunteers, 10 mL of magnesium hydroxide-aluminum hydroxide (600 mg-900 mg) administered at 2 hours and at 15 minutes before the ingestion of cefpodoxime proxetil 200 mg led to an approximately 40% reduction in cefpodoxime peak plasma concentration (Cmax) and systemic exposure (AUC) compared to when the antibiotic was administered alone. Similar results were reported with sodium bicarbonate and aluminum hydroxide in another study. Likewise, pretreatment with ranitidine plus sodium bicarbonate decreased the Cmax and AUC of cefuroxime by over 40% in six healthy volunteers. The clinical significance of these effects is unknown, but potentially reduced antibiotic efficacy should be considered.

MANAGEMENT: Until further data are available, patients treated with cefpodoxime proxetil or cefuroxime axetil should avoid taking antacids or oral medications that contain antacids (e.g., didanosine buffered tablets or pediatric oral solution) for at least two hours before and after administration of the antibiotic.

References

Hughes GS, Heald DL, Barker KB, et al. "The effects of gastric pH and food on the pharmacokinetics of a new oral cephalosporin, cefpodoxime proxetil." Clin Pharmacol Ther 46 (1989): 674-85
Sommers DK, van Wyk M, Moncrieff J, Schoeman HS "Influence of food and reduced gastric acidity on the bioavailability of bacampicillin and cefuroxime axetil." Br J Clin Pharmacol 18 (1984): 535-9
Honig PK, Gillespie BK "Clinical significance of pharmacokinetic drug interactions with over-the-counter (OTC) drugs." Clin Pharmacokinet 35 (1998): 167-71
Saathoff N, Lode H, Neider K, et al "Pharmacokinetics of cefpodoxime and interactions with an antacid and an H2 receptor antagonist." Antimicrob Agents Chemother 36 (1992): 796-800

Cefpodoxime Proxetil

Generic Name: cefpodoxime

Brand name: Vantin

Synonyms: Cefpodoxime

What is Cefpodoxime Proxetil?

Neut

Generic Name: sodium bicarbonate

Brand name: Neut

Synonyms: Neut Injection

What is Neut?

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In the course of checking the drug compatibility and interactions, data from the following reference sources was used: Drugs.com, Rxlist.com, Webmd.com, Medscape.com.

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