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Drug interactions

Erythromycin lactobionate + Repaglinide

Severity: Moderate

Erythromycin lactobionate and Repaglinide: 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

Intravenous erythromycin inhibits CYP3A4 and can raise repaglinide concentrations. This may lead to excessive glucose lowering and hypoglycemia.

What this interaction means in plain words

Erythromycin lactobionate and Repaglinide 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.

Erythromycin lactobionate belongs to Anti Bacterial; Repaglinide belongs to Endocrine.

Evidence level: Moderate

Why it happens

Erythromycin inhibits intestinal and hepatic CYP3A4, reducing repaglinide metabolism.

What to do

Monitor blood glucose closely during treatment and reduce the repaglinide dose if needed. Consider holding repaglinide in patients who are not eating.

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 Erythromycin lactobionate with Repaglinide?

MediHelp rates the interaction as moderate. Erythromycin lactobionate and Repaglinide 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. Intravenous erythromycin inhibits CYP3A4 and can raise repaglinide concentrations. This may lead to excessive glucose lowering and hypoglycemia.

How serious is the interaction between Erythromycin lactobionate and Repaglinide?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose closely during treatment and reduce the repaglinide dose if needed. Consider holding repaglinide in patients who are not eating.

What other medicines interact with Repaglinide?

MediHelp also lists interactions of Repaglinide with, for example, Gemfibrozil, Clarithromycin, Clopidogrel. The full list is on the Repaglinide page.

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