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Interações medicamentosas

Sapropterin + Tadalafil

Gravidade: Moderada

Sapropterin and Tadalafil: 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 cofactor for nitric oxide synthase and may increase nitric oxide production. Combined with a PDE5 inhibitor this could cause additive vasodilation and low blood pressure.

O que esta interação significa em palavras simples

Sapropterin and Tadalafil 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 belongs to Miscellaneous; Tadalafil belongs to Genitourinary.

Nível de evidência: Low

Por que acontece

Sapropterin may enhance nitric oxide synthesis while tadalafil prolongs cGMP signalling, a theoretical additive vasodilatory effect.

O que fazer

Monitor blood pressure when the drugs are started together or doses changed. Counsel patients to report dizziness or fainting.

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 Sapropterin with Tadalafil?

MediHelp rates the interaction as moderate. Sapropterin and Tadalafil 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 cofactor for nitric oxide synthase and may increase nitric oxide production. Combined with a PDE5 inhibitor this could cause additive vasodilation and low blood pressure.

How serious is the interaction between Sapropterin and Tadalafil?

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 pressure when the drugs are started together or doses changed. Counsel patients to report dizziness or fainting.

What other medicines interact with Tadalafil?

MediHelp also lists interactions of Tadalafil with, for example, Amyl nitrite, Isosorbide dinitrate, Isosorbide mononitrate. The full list is on the Tadalafil page.

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