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Drug interactions

Cefuroxime + Omeprazole

Severity: Moderate

Cefuroxime and Omeprazole: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Absorption of cefuroxime axetil is reduced when gastric acidity is lowered, which may reduce antibiotic exposure. Food partly offsets this.

What this interaction means in plain words

Cefuroxime and Omeprazole can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Cefuroxime belongs to Anti Bacterial; Omeprazole belongs to Gastrointestinal Tract.

Evidence level: Moderate

Why it happens

Higher gastric pH reduces cefuroxime axetil absorption.

What to do

Give cefuroxime axetil with food, and consider an alternative antibiotic if the infection is serious and the PPI cannot be stopped.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Cefuroxime with Omeprazole?

MediHelp rates the interaction as moderate. Cefuroxime and Omeprazole can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Absorption of cefuroxime axetil is reduced when gastric acidity is lowered, which may reduce antibiotic exposure. Food partly offsets this.

How serious is the interaction between Cefuroxime and Omeprazole?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give cefuroxime axetil with food, and consider an alternative antibiotic if the infection is serious and the PPI cannot be stopped.

What other medicines interact with Omeprazole?

MediHelp also lists interactions of Omeprazole with, for example, Mavacamten, Rilpivirine, Acalabrutinib. The full list is on the Omeprazole page.

Full monographs, dosing and an interaction checker in the MediHelp app

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