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Interações medicamentosas

Pyrimethamine + Sapropterin

Gravidade: Moderada

Pyrimethamine and Sapropterin: moderate interaction.

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Para profissionais de saúde — apenas referência. Esta página é um resumo breve, não é aconselhamento médico nem substitui a bula oficial ou o julgamento clínico. Verifique sempre antes de prescrever ou dispensar.

O conteúdo clínico desta página está disponível apenas em inglês.

Resumo

Sapropterin is a synthetic form of tetrahydrobiopterin, and its recycling depends on folate-related enzymes. Pyrimethamine inhibits dihydrofolate reductase, which is also involved in pterin metabolism, so sapropterin effect may be reduced. The clinical significance is uncertain.

O que esta interação significa em palavras simples

Pyrimethamine and Sapropterin 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 belongs to Anti Parasitic; Sapropterin belongs to Miscellaneous.

Nível de evidência: Low

Por que acontece

Pyrimethamine, a DHFR inhibitor, may impair regeneration of tetrahydrobiopterin and so lessen sapropterin effect.

O que fazer

Monitor blood phenylalanine more often when the two are combined, and adjust the sapropterin dose if control worsens.

O que perguntar ao farmacêutico

  • 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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Perguntas frequentes

Can I take Pyrimethamine with Sapropterin?

MediHelp rates the interaction as moderate. Pyrimethamine and Sapropterin 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. Sapropterin is a synthetic form of tetrahydrobiopterin, and its recycling depends on folate-related enzymes. Pyrimethamine inhibits dihydrofolate reductase, which is also involved in pterin metabolism, so sapropterin effect may be reduced. The clinical significance is uncertain.

How serious is the interaction between Pyrimethamine and Sapropterin?

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 phenylalanine more often when the two are combined, and adjust the sapropterin dose if control worsens.

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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