Interações medicamentosas
Clozapine + Tolterodine
Gravidade: Grave
Clozapine and Tolterodine: major interaction.
Última atualização
Para profissionais de saúde — apenas referência. Esta página é um resumo breve, não é aconselhamento médico nem substitui a bula oficial ou o julgamento clínico. Verifique sempre antes de prescrever ou dispensar.
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Resumo
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.
O que esta interação significa em palavras 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.
Por que acontece
Additive antimuscarinic pharmacodynamic effects.
O que fazer
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.
O que perguntar ao farmacêutico
- 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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Outras interações de Tolterodine
Outras interações de Clozapine
- Clozapine + Deferiprone Contraindicada
- Clozapine + Irinotecan Contraindicada
- Clozapine + Pimozide Contraindicada
- Clozapine + Thioridazine Contraindicada
- Acalabrutinib + Clozapine Grave
- Adagrasib + Clozapine Grave
Perguntas frequentes
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.
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