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Interactions médicamenteuses

Carbamazepine + Thalidomide

Gravité: Majeure

Carbamazepine and Thalidomide: major interaction.

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Résumé

Carbamazepine is an enzyme inducer that lowers hormonal contraceptive concentrations and can result in breakthrough ovulation. With thalidomide, contraceptive failure risks severe fetal malformations.

Ce que signifie cette interaction, en termes simples

Carbamazepine 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.

Carbamazepine belongs to Central Nervous System; Thalidomide belongs to Miscellaneous.

Niveau de preuve: High

Pourquoi elle survient

CYP3A4 induction by carbamazepine accelerates metabolism of contraceptive hormones.

Conduite à tenir

Do not rely on hormonal contraceptives; use a copper IUD or other non-hormonal highly effective method with a barrier method during and after carbamazepine.

Questions à poser à votre pharmacien

  • 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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Questions fréquentes

Can I take Carbamazepine with Thalidomide?

MediHelp rates the interaction as major. Carbamazepine 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. Carbamazepine is an enzyme inducer that lowers hormonal contraceptive concentrations and can result in breakthrough ovulation. With thalidomide, contraceptive failure risks severe fetal malformations.

How serious is the interaction between Carbamazepine 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: Do not rely on hormonal contraceptives; use a copper IUD or other non-hormonal highly effective method with a barrier method during and after carbamazepine.

What other medicines interact with Thalidomide?

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

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Ouvrez le référentiel complet, vérifiez les interactions entre plusieurs médicaments et utilisez les outils de posologie dans l'application MediHelp.

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