Drug interactions
Bethanechol + Procainamide
Severity: Minor
Bethanechol and Procainamide: 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
Procainamide has anticholinergic properties that can oppose the cholinergic effect of bethanechol. This may reduce bethanechol's effect on bladder or gastrointestinal function.
What this interaction means in plain words
Bethanechol and Procainamide 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
Pharmacodynamic antagonism between procainamide's antimuscarinic activity and bethanechol's muscarinic agonism.
What to do
Monitor for reduced bethanechol response such as urinary retention. Adjust the bethanechol dose if needed.
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 Bethanechol
- Bethanechol + Darifenacin Major
- Bethanechol + Fesoterodine Major
- Bethanechol + Oxybutynin Major
- Bethanechol + Physostigmine Major
- Amifampridine + Bethanechol Moderate
- Amitriptyline + Bethanechol Moderate
Frequently asked questions
Can I take Bethanechol with Procainamide?
MediHelp rates the interaction as minor. Bethanechol and Procainamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Procainamide has anticholinergic properties that can oppose the cholinergic effect of bethanechol. This may reduce bethanechol's effect on bladder or gastrointestinal function.
How serious is the interaction between Bethanechol and Procainamide?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for reduced bethanechol response such as urinary retention. Adjust the bethanechol dose if needed.
What other medicines interact with Bethanechol?
MediHelp also lists interactions of Bethanechol with, for example, Darifenacin, Fesoterodine, Oxybutynin. The full list is on the Bethanechol page.
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