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Interações medicamentosas

Rifabutin + Thalidomide

Gravidade: Grave

Rifabutin and Thalidomide: major 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

Rifabutin induces hepatic enzymes, less strongly than rifampicin, and may reduce hormonal contraceptive effectiveness. This is critical in patients on thalidomide because of its teratogenic potential.

O que esta interação significa em palavras simples

Rifabutin and Thalidomide can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Rifabutin belongs to Anti Bacterial; Thalidomide belongs to Miscellaneous.

Nível de evidência: Moderate

Por que acontece

Enzyme induction accelerates contraceptive steroid metabolism.

O que fazer

Use a non-hormonal highly effective method, with a barrier method added, during and after rifabutin treatment.

O que perguntar ao farmacêutico

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Rifabutin with Thalidomide?

MediHelp rates the interaction as major. Rifabutin and Thalidomide can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Rifabutin induces hepatic enzymes, less strongly than rifampicin, and may reduce hormonal contraceptive effectiveness. This is critical in patients on thalidomide because of its teratogenic potential.

How serious is the interaction between Rifabutin and Thalidomide?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use a non-hormonal highly effective method, with a barrier method added, during and after rifabutin treatment.

What other medicines interact with Thalidomide?

MediHelp also lists interactions of Thalidomide with, for example, Bortezomib, Carbamazepine, Griseofulvin. The full list is on the Thalidomide page.

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