Drug interactions
Amitriptyline + Glycopyrrolate inhaled
Severity: Moderate
Amitriptyline and Glycopyrrolate inhaled: moderate 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
Inhaled glycopyrrolate has limited systemic exposure, but with amitriptyline there may still be additive anticholinergic effects such as dry mouth, urinary retention and constipation. The risk is highest in older or susceptible patients.
What this interaction means in plain words
Amitriptyline and Glycopyrrolate inhaled can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive antimuscarinic effects from combined muscarinic receptor blockade.
What to do
Monitor for urinary retention, constipation, dry mouth and worsening of narrow-angle glaucoma. Consider dose reduction or an alternative if anticholinergic effects emerge.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Amitriptyline
- Amitriptyline + Isocarboxazid Contraindicated
- Amitriptyline + Methylene blue Contraindicated
- Amitriptyline + Phenelzine Contraindicated
- Amitriptyline + Pimozide Contraindicated
- Amitriptyline + Procarbazine Contraindicated
- Amitriptyline + Safinamide Contraindicated
Frequently asked questions
Can I take Amitriptyline with Glycopyrrolate inhaled?
MediHelp rates the interaction as moderate. Amitriptyline and Glycopyrrolate inhaled can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Inhaled glycopyrrolate has limited systemic exposure, but with amitriptyline there may still be additive anticholinergic effects such as dry mouth, urinary retention and constipation. The risk is highest in older or susceptible patients.
How serious is the interaction between Amitriptyline and Glycopyrrolate inhaled?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for urinary retention, constipation, dry mouth and worsening of narrow-angle glaucoma. Consider dose reduction or an alternative if anticholinergic effects emerge.
What other medicines interact with Amitriptyline?
MediHelp also lists interactions of Amitriptyline with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Amitriptyline page.
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