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Interazioni tra farmaci

Alosetron + Mexiletine

Gravità: Maggiore

Alosetron and Mexiletine: major interaction.

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Sintesi

Alosetron is cleared largely by CYP1A2, and inhibitors can raise its levels substantially. Increased exposure raises the risk of ischemic colitis and serious constipation complications. Mexiletine inhibits CYP1A2.

Cosa significa questa interazione in parole semplici

Alosetron and Mexiletine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Alosetron belongs to Gastrointestinal Tract; Mexiletine belongs to Cardiovascular.

Livello di evidenza: Moderate

Perché avviene

Mexiletine inhibits CYP1A2-mediated alosetron metabolism.

Cosa fare

Avoid the combination where possible; if used, monitor closely for constipation, abdominal pain and rectal bleeding and stop alosetron promptly if they occur.

Cosa chiedere al farmacista

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Alosetron with Mexiletine?

MediHelp rates the interaction as major. Alosetron and Mexiletine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Alosetron is cleared largely by CYP1A2, and inhibitors can raise its levels substantially. Increased exposure raises the risk of ischemic colitis and serious constipation complications. Mexiletine inhibits CYP1A2.

How serious is the interaction between Alosetron and Mexiletine?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible; if used, monitor closely for constipation, abdominal pain and rectal bleeding and stop alosetron promptly if they occur.

What other medicines interact with Mexiletine?

MediHelp also lists interactions of Mexiletine with, for example, Fezolinetant, Pimozide, Amiodarone. The full list is on the Mexiletine page.

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