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Interactions médicamenteuses

Brexpiprazole + Pyrimethamine

Gravité: Modérée

Brexpiprazole and Pyrimethamine: moderate interaction.

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Résumé

Pyrimethamine may raise brexpiprazole exposure by inhibiting its CYP2D6 metabolism. Higher levels could increase sedation, akathisia, orthostatic hypotension and other adverse effects, especially if a CYP3A4 inhibitor is also given.

Ce que signifie cette interaction, en termes simples

Brexpiprazole and Pyrimethamine 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.

Brexpiprazole belongs to Central Nervous System; Pyrimethamine belongs to Anti Parasitic.

Niveau de preuve: Low

Pourquoi elle survient

Inhibition of CYP2D6-mediated metabolism of brexpiprazole.

Conduite à tenir

Monitor for adverse effects of brexpiprazole during co-use. Reduce the brexpiprazole dose to a quarter of usual if a strong or moderate CYP3A4 inhibitor is also given with a CYP2D6 inhibitor.

Questions à poser à votre pharmacien

  • 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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Questions fréquentes

Can I take Brexpiprazole with Pyrimethamine?

MediHelp rates the interaction as moderate. Brexpiprazole and Pyrimethamine 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. Pyrimethamine may raise brexpiprazole exposure by inhibiting its CYP2D6 metabolism. Higher levels could increase sedation, akathisia, orthostatic hypotension and other adverse effects, especially if a CYP3A4 inhibitor is also given.

How serious is the interaction between Brexpiprazole and Pyrimethamine?

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 for adverse effects of brexpiprazole during co-use. Reduce the brexpiprazole dose to a quarter of usual if a strong or moderate CYP3A4 inhibitor is also given with a CYP2D6 inhibitor.

What other medicines interact with Pyrimethamine?

MediHelp also lists interactions of Pyrimethamine with, for example, Deferiprone, Eliglustat, Acalabrutinib. The full list is on the Pyrimethamine page.

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