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Drug interactions

Cefuroxime + Erythromycin base

Severity: Minor

Cefuroxime and Erythromycin base: minor 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

Macrolides are bacteriostatic and may theoretically reduce the bactericidal effect of beta-lactams. Clinical evidence of reduced outcomes is limited and the combination is often used deliberately, for example in community-acquired pneumonia.

What this interaction means in plain words

Cefuroxime and Erythromycin base have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Pharmacodynamic antagonism: inhibition of bacterial protein synthesis may reduce growth-dependent beta-lactam killing.

What to do

No change needed when combined for guideline-supported indications; monitor clinical response.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Erythromycin base?

MediHelp rates the interaction as minor. Cefuroxime and Erythromycin base have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Macrolides are bacteriostatic and may theoretically reduce the bactericidal effect of beta-lactams. Clinical evidence of reduced outcomes is limited and the combination is often used deliberately, for example in community-acquired pneumonia.

How serious is the interaction between Cefuroxime and Erythromycin base?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No change needed when combined for guideline-supported indications; monitor clinical response.

What other medicines interact with Cefuroxime?

MediHelp also lists interactions of Cefuroxime with, for example, Aluminum hydroxide, Amikacin, Bcg vaccine live. The full list is on the Cefuroxime page.

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

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