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Interações medicamentosas

Phenobarbitone + Sapropterin

Gravidade: Moderada

Phenobarbitone and Sapropterin: moderate interaction.

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Resumo

Phenobarbital may interfere with folate-dependent pathways that support tetrahydrobiopterin (BH4) availability. This could reduce sapropterin effect and allow blood phenylalanine to rise in patients with phenylketonuria.

O que esta interação significa em palavras simples

Phenobarbitone 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.

Phenobarbitone belongs to Central Nervous System; Sapropterin belongs to Miscellaneous.

Nível de evidência: Low

Por que acontece

Interference with folate metabolism may lower BH4 availability, though the mechanism is not firmly established for phenobarbital.

O que fazer

Check blood phenylalanine more frequently after starting or stopping phenobarbital. Adjust the sapropterin dose according to the phenylalanine response.

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 Phenobarbitone with Sapropterin?

MediHelp rates the interaction as moderate. Phenobarbitone 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. Phenobarbital may interfere with folate-dependent pathways that support tetrahydrobiopterin (BH4) availability. This could reduce sapropterin effect and allow blood phenylalanine to rise in patients with phenylketonuria.

How serious is the interaction between Phenobarbitone 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: Check blood phenylalanine more frequently after starting or stopping phenobarbital. Adjust the sapropterin dose according to the phenylalanine response.

What other medicines interact with Sapropterin?

MediHelp also lists interactions of Sapropterin with, for example, Avanafil, Carbidopa-entacapone-levodopa, Carbidopa-levodopa. The full list is on the Sapropterin page.

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