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Drug interactions

Amlodipine + Erythromycin lactobionate

Severity: Moderate

Amlodipine and Erythromycin lactobionate: 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 amlodipine concentrations. This may cause hypotension and edema, particularly in older or acutely ill patients.

What this interaction means in plain words

Amlodipine and Erythromycin lactobionate 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.

Amlodipine belongs to Cardiovascular; Erythromycin lactobionate belongs to Anti Bacterial.

Evidence level: Moderate

Why it happens

Erythromycin inhibits CYP3A4-mediated amlodipine metabolism.

What to do

Monitor blood pressure during intravenous therapy and reduce the amlodipine dose if hypotension occurs.

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 Amlodipine with Erythromycin lactobionate?

MediHelp rates the interaction as moderate. Amlodipine and Erythromycin lactobionate 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 amlodipine concentrations. This may cause hypotension and edema, particularly in older or acutely ill patients.

How serious is the interaction between Amlodipine and Erythromycin lactobionate?

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 pressure during intravenous therapy and reduce the amlodipine dose if hypotension occurs.

What other medicines interact with Amlodipine?

MediHelp also lists interactions of Amlodipine with, for example, Amifostine, Ombitasvir / paritaprevir / ritonavir and dasabuvir, Activated Charcoal. The full list is on the Amlodipine page.

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