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Interazioni tra farmaci

Letermovir + Pimozide

Gravità: Controindicata

Letermovir and Pimozide: contraindicated interaction.

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Sintesi

Letermovir inhibits CYP3A4 and can increase exposure to pimozide. Higher pimozide levels increase the risk of QT prolongation and torsades de pointes.

Cosa significa questa interazione in parole semplici

Letermovir and Pimozide 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.

Letermovir belongs to Anti Virals; Pimozide belongs to Central Nervous System.

Livello di evidenza: Moderate

Perché avviene

Letermovir inhibits CYP3A4 metabolism of pimozide.

Cosa fare

Do not coadminister, as labeling contraindicates it. Consider switching pimozide to another agent during CMV prophylaxis.

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 Letermovir with Pimozide?

MediHelp rates the interaction as contraindicated. Letermovir and Pimozide 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. Letermovir inhibits CYP3A4 and can increase exposure to pimozide. Higher pimozide levels increase the risk of QT prolongation and torsades de pointes.

How serious is the interaction between Letermovir and Pimozide?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not coadminister, as labeling contraindicates it. Consider switching pimozide to another agent during CMV prophylaxis.

What other medicines interact with Pimozide?

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

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