Aller au contenu
MediHelp
MediHelp Référence médicamenteuse

Interactions médicamenteuses

Amitriptyline + Thioridazine

Gravité: Contre-indiquée

Amitriptyline and Thioridazine: contraindicated 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

Thioridazine is a strong QT-prolonging antipsychotic, and amitriptyline adds further QT and conduction effects. The combination markedly increases the risk of torsades de pointes and sudden cardiac death.

Ce que signifie cette interaction, en termes simples

Amitriptyline and Thioridazine are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Amitriptyline belongs to Central Nervous System; Thioridazine belongs to Central Nervous System.

Niveau de preuve: Moderate

Pourquoi elle survient

Additive QT prolongation, with thioridazine also inhibiting CYP2D6 and raising amitriptyline levels.

Conduite à tenir

Do not combine these drugs; select an alternative antipsychotic or antidepressant with less cardiac liability.

Questions à poser à votre pharmacien

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

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 Amitriptyline et Thioridazine, 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
Créer un compte gratuit Se connecter

Essayez Pro+ gratuitement pendant 14 jours sur le web. Sans carte.

Questions fréquentes

Can I take Amitriptyline with Thioridazine?

MediHelp rates the interaction as contraindicated. Amitriptyline and Thioridazine are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Thioridazine is a strong QT-prolonging antipsychotic, and amitriptyline adds further QT and conduction effects. The combination markedly increases the risk of torsades de pointes and sudden cardiac death.

How serious is the interaction between Amitriptyline and Thioridazine?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not combine these drugs; select an alternative antipsychotic or antidepressant with less cardiac liability.

What other medicines interact with Amitriptyline?

MediHelp also lists interactions of Amitriptyline with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Amitriptyline 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.

Télécharger surApp Store Disponible surGoogle Play

Parcourir de A à Z · Interactions médicamenteuses

Télécharger l'app Se connecter