Drug interactions
Pralidoxime + Tolterodine
Severity: Minor
Pralidoxime and Tolterodine: minor interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Pralidoxime reactivates acetylcholinesterase in organophosphate poisoning, whereas tolterodine blocks muscarinic receptors. Pralidoxime is used with atropine in poisoning, so concurrent tolterodine has no relevant independent interaction and adds to anticholinergic effects only marginally.
What this interaction means in plain words
Pralidoxime and Tolterodine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
No established interaction; any effect would be pharmacodynamic opposition or additive anticholinergic effect during poisoning treatment.
What to do
No specific action is required; tolterodine can be held during acute poisoning management. Titrate atropine to clinical response.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Tolterodine
Frequently asked questions
Can I take Pralidoxime with Tolterodine?
MediHelp rates the interaction as minor. Pralidoxime and Tolterodine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Pralidoxime reactivates acetylcholinesterase in organophosphate poisoning, whereas tolterodine blocks muscarinic receptors. Pralidoxime is used with atropine in poisoning, so concurrent tolterodine has no relevant independent interaction and adds to anticholinergic effects only marginally.
How serious is the interaction between Pralidoxime and Tolterodine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No specific action is required; tolterodine can be held during acute poisoning management. Titrate atropine to clinical response.
What other medicines interact with Tolterodine?
MediHelp also lists interactions of Tolterodine with, for example, Clarithromycin, Clozapine, Cobicistat. The full list is on the Tolterodine page.
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