Interactions médicamenteuses
Clozapine + Tolterodine
Gravité: Majeure
Clozapine and Tolterodine: major interaction.
Dernière mise à jour
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Résumé
Clozapine has strong antimuscarinic activity, and combining it with tolterodine raises the risk of severe constipation, paralytic ileus, urinary retention, tachycardia and delirium. Clozapine-related gastrointestinal hypomotility can be dangerous.
Ce que signifie cette interaction, en termes simples
Clozapine and Tolterodine 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.
Clozapine belongs to Central Nervous System; Tolterodine belongs to Genitourinary.
Pourquoi elle survient
Additive antimuscarinic pharmacodynamic effects.
Conduite à tenir
Avoid the combination if possible, or monitor bowel function closely and treat constipation early. Consider non-anticholinergic options for overactive bladder, such as a beta-3 agonist.
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?
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Autres interactions de Tolterodine
Autres interactions de Clozapine
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- Acalabrutinib + Clozapine Majeure
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Questions fréquentes
Can I take Clozapine with Tolterodine?
MediHelp rates the interaction as major. Clozapine and Tolterodine 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. Clozapine has strong antimuscarinic activity, and combining it with tolterodine raises the risk of severe constipation, paralytic ileus, urinary retention, tachycardia and delirium. Clozapine-related gastrointestinal hypomotility can be dangerous.
How serious is the interaction between Clozapine and Tolterodine?
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 if possible, or monitor bowel function closely and treat constipation early. Consider non-anticholinergic options for overactive bladder, such as a beta-3 agonist.
What other medicines interact with Tolterodine?
MediHelp also lists interactions of Tolterodine with, for example, Clarithromycin, Cobicistat, Dronedarone. The full list is on the Tolterodine 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.
