Drug interactions
Azelastine + Quazepam
Severity: Moderate
Azelastine and Quazepam: 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
Quazepam is a benzodiazepine hypnotic and azelastine can add to sedation and psychomotor impairment. Next-day drowsiness and falls are of particular concern.
What this interaction means in plain words
Azelastine and Quazepam 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 CNS depression via GABA-A enhancement and antihistaminic sedation.
What to do
Counsel on sedation and avoid alcohol and driving. Prefer a non-sedating antihistamine in patients who need quazepam.
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 Azelastine and Quazepam, 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 Azelastine
Frequently asked questions
Can I take Azelastine with Quazepam?
MediHelp rates the interaction as moderate. Azelastine and Quazepam 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. Quazepam is a benzodiazepine hypnotic and azelastine can add to sedation and psychomotor impairment. Next-day drowsiness and falls are of particular concern.
How serious is the interaction between Azelastine and Quazepam?
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 sedation and avoid alcohol and driving. Prefer a non-sedating antihistamine in patients who need quazepam.
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.
