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Interactions médicamenteuses

Thioridazine + Trospium

Gravité: Majeure

Thioridazine and Trospium: major interaction.

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Résumé

Thioridazine has strong anticholinergic activity, which adds substantially to the effects of trospium. Constipation, urinary retention, dry mouth, confusion and tachycardia are more likely, and thioridazine also carries a serious QT prolongation risk.

Ce que signifie cette interaction, en termes simples

Thioridazine and Trospium 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.

Thioridazine belongs to Central Nervous System; Trospium belongs to Genitourinary.

Niveau de preuve: Moderate

Pourquoi elle survient

Additive antimuscarinic pharmacodynamic effects.

Conduite à tenir

Avoid the combination where possible, especially in older patients. If used, monitor anticholinergic effects and ECG with electrolytes as required for thioridazine.

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 Thioridazine with Trospium?

MediHelp rates the interaction as major. Thioridazine and Trospium 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. Thioridazine has strong anticholinergic activity, which adds substantially to the effects of trospium. Constipation, urinary retention, dry mouth, confusion and tachycardia are more likely, and thioridazine also carries a serious QT prolongation risk.

How serious is the interaction between Thioridazine and Trospium?

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 the combination where possible, especially in older patients. If used, monitor anticholinergic effects and ECG with electrolytes as required for thioridazine.

What other medicines interact with Trospium?

MediHelp also lists interactions of Trospium with, for example, Clozapine, Pramlintide, Trihexyphenidyl. The full list is on the Trospium 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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