Drug interactions
Amitriptyline + Azelastine
Severity: Moderate
Amitriptyline and Azelastine: 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
Both drugs have sedative properties, and amitriptyline also has strong anticholinergic effects. Concurrent use may increase drowsiness, dizziness and impaired psychomotor performance.
What this interaction means in plain words
Amitriptyline and Azelastine 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 belongs to Central Nervous System; Azelastine belongs to Respiratory.
Why it happens
Additive CNS depression via H1-receptor antagonism from both agents, plus anticholinergic effects of amitriptyline.
What to do
Counsel on additive sedation and avoid driving until tolerance is established. Monitor elderly patients for confusion and falls.
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 Azelastine, 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 14 days on the web. No card needed.
Other interactions of Azelastine
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 Azelastine?
MediHelp rates the interaction as moderate. Amitriptyline and Azelastine 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. Both drugs have sedative properties, and amitriptyline also has strong anticholinergic effects. Concurrent use may increase drowsiness, dizziness and impaired psychomotor performance.
How serious is the interaction between Amitriptyline and Azelastine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel on additive sedation and avoid driving until tolerance is established. Monitor elderly patients for confusion and falls.
What other medicines interact with Azelastine?
MediHelp also lists interactions of Azelastine with, for example, Calcium / magnesium / potassium / sodium oxybates, Methadone, Sodium oxybate. The full list is on the Azelastine 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.
