Aller au contenu

Interactions médicamenteuses

Chlorpromazine + Levodopa

Gravité: Majeure

Chlorpromazine and Levodopa: 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

Chlorpromazine blocks dopamine D2 receptors and so opposes the effect of levodopa, which can worsen parkinsonian symptoms. Levodopa may also be less effective in controlling motor function.

Ce que signifie cette interaction, en termes simples

Chlorpromazine and Levodopa 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.

Chlorpromazine belongs to Central Nervous System; Levodopa belongs to Central Nervous System.

Niveau de preuve: High

Pourquoi elle survient

Pharmacodynamic antagonism: D2 receptor blockade counteracts dopamine replacement.

Conduite à tenir

Avoid chlorpromazine in patients with Parkinson disease. If an antipsychotic is needed, use quetiapine or clozapine, or pimavanserin where appropriate.

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 Chlorpromazine et Levodopa, 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 Chlorpromazine with Levodopa?

MediHelp rates the interaction as major. Chlorpromazine and Levodopa 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. Chlorpromazine blocks dopamine D2 receptors and so opposes the effect of levodopa, which can worsen parkinsonian symptoms. Levodopa may also be less effective in controlling motor function.

How serious is the interaction between Chlorpromazine and Levodopa?

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 chlorpromazine in patients with Parkinson disease. If an antipsychotic is needed, use quetiapine or clozapine, or pimavanserin where appropriate.

What other medicines interact with Chlorpromazine?

MediHelp also lists interactions of Chlorpromazine with, for example, Dofetilide, Dronedarone, Droperidol. The full list is on the Chlorpromazine 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