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Ergotamine + Erythromycin

Gravità: Controindicata

Ergotamine and Erythromycin: contraindicated interaction.

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Sintesi

Erythromycin markedly increases ergotamine exposure and can trigger acute ergotism, with severe peripheral vasoconstriction, ischemia of the limbs, and cerebral ischemia. Cases of gangrene have been reported with macrolide and ergot combinations.

Cosa significa questa interazione in parole semplici

Ergotamine and Erythromycin are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Ergotamine belongs to Central Nervous System; Erythromycin belongs to Anti Bacterial.

Livello di evidenza: High

Perché avviene

Inhibition of CYP3A4 decreases ergotamine metabolism, causing excessive vasoconstrictor exposure.

Cosa fare

Avoid the combination; choose a non-macrolide antibiotic or a non-ergot migraine treatment such as a triptan after checking labeling. Stop ergotamine and seek urgent care if numbness, coldness, or ischemic symptoms appear.

Cosa chiedere al farmacista

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

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

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Domande frequenti

Can I take Ergotamine with Erythromycin?

MediHelp rates the interaction as contraindicated. Ergotamine and Erythromycin are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Erythromycin markedly increases ergotamine exposure and can trigger acute ergotism, with severe peripheral vasoconstriction, ischemia of the limbs, and cerebral ischemia. Cases of gangrene have been reported with macrolide and ergot combinations.

How serious is the interaction between Ergotamine and Erythromycin?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination; choose a non-macrolide antibiotic or a non-ergot migraine treatment such as a triptan after checking labeling. Stop ergotamine and seek urgent care if numbness, coldness, or ischemic symptoms appear.

What other medicines interact with Erythromycin?

MediHelp also lists interactions of Erythromycin with, for example, Conivaptan, Dihydroergotamine intranasal, Dihydroergotamine. The full list is on the Erythromycin page.

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