Drug interactions
Amitriptyline + Atropine iv /
Severity: Moderate
Amitriptyline and Atropine iv /: 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
Amitriptyline has strong antimuscarinic activity, and parenteral atropine adds to it. The combination can cause tachycardia, urinary retention, dry mouth, constipation, blurred vision, and confusion, particularly in older patients.
What this interaction means in plain words
Amitriptyline and Atropine iv / 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 (anticholinergic) effects.
What to do
Monitor heart rate, mental status, and urinary and bowel function after atropine administration. Use the lowest effective atropine dose, especially in older patients or those with glaucoma or urinary obstruction.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Amitriptyline and Atropine iv /, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
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 Atropine iv /?
MediHelp rates the interaction as moderate. Amitriptyline and Atropine iv / 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. Amitriptyline has strong antimuscarinic activity, and parenteral atropine adds to it. The combination can cause tachycardia, urinary retention, dry mouth, constipation, blurred vision, and confusion, particularly in older patients.
How serious is the interaction between Amitriptyline and Atropine iv /?
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 heart rate, mental status, and urinary and bowel function after atropine administration. Use the lowest effective atropine dose, especially in older patients or those with glaucoma or urinary obstruction.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
