Aller au contenu

Interactions médicamenteuses

Phenytoin + Thalidomide

Gravité: Majeure

Phenytoin and Thalidomide: major interaction.

Dernière mise à jour

Réservé aux professionnels de santé — à titre de référence uniquement. Cette page est un bref résumé, pas un avis médical, et ne remplace ni la notice officielle ni le jugement clinique. Vérifiez toujours avant de prescrire ou de délivrer.

Le contenu clinique de cette page n'est disponible qu'en anglais.

Résumé

Phenytoin induces hepatic enzymes and can reduce hormonal contraceptive levels, leading to contraceptive failure. This is a particular concern with thalidomide because of its serious teratogenicity.

Ce que signifie cette interaction, en termes simples

Phenytoin 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.

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

Niveau de preuve: High

Pourquoi elle survient

Induction of CYP3A4 by phenytoin increases clearance of contraceptive hormones.

Conduite à tenir

Avoid relying on hormonal contraception alone; use an IUD or other non-hormonal highly effective method plus a barrier method while on phenytoin.

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.

Réservé aux membres Pro+

Débloquer la page complète

Créez un compte et lancez un essai Pro+ pour débloquer les conseils complets de prise en charge pour Phenytoin et Thalidomide, les notes complémentaires, le détail des données probantes et le vérificateur d'interactions pour une ordonnance complète.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Essayez Pro+ gratuitement pendant 7 jours sur le web. Sans carte.

Questions fréquentes

Can I take Phenytoin with Thalidomide?

MediHelp rates the interaction as major. Phenytoin 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. Phenytoin induces hepatic enzymes and can reduce hormonal contraceptive levels, leading to contraceptive failure. This is a particular concern with thalidomide because of its serious teratogenicity.

How serious is the interaction between Phenytoin 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: Avoid relying on hormonal contraception alone; use an IUD or other non-hormonal highly effective method plus a barrier method while on phenytoin.

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.

Monographies complètes, posologies et vérificateur d'interactions dans l'application MediHelp

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

Parcourir de A à Z · Interactions médicamenteuses

Télécharger l'app Se connecter