Drug interactions
Azelastine + Orphenadrin
Severity: Moderate
Azelastine and Orphenadrin: 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
Azelastine, especially in oral or nasal use, can cause drowsiness, and orphenadrine adds sedative and anticholinergic effects. Combined use may increase sedation and impair alertness.
What this interaction means in plain words
Azelastine and Orphenadrin 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.
Azelastine belongs to Respiratory; Orphenadrin belongs to Musculoskeletal.
Why it happens
Additive CNS depressant and antihistaminic or anticholinergic effects.
What to do
Counsel patients about drowsiness and avoid driving until the response is known. Consider a non-sedating alternative if impairment occurs.
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 Orphenadrin, 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 Orphenadrin
Other interactions of Azelastine
Frequently asked questions
Can I take Azelastine with Orphenadrin?
MediHelp rates the interaction as moderate. Azelastine and Orphenadrin 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. Azelastine, especially in oral or nasal use, can cause drowsiness, and orphenadrine adds sedative and anticholinergic effects. Combined use may increase sedation and impair alertness.
How serious is the interaction between Azelastine and Orphenadrin?
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 patients about drowsiness and avoid driving until the response is known. Consider a non-sedating alternative if impairment occurs.
What other medicines interact with Orphenadrin?
MediHelp also lists interactions of Orphenadrin with, for example, Alfentanil, Amobarbital, Benzhydrocodone / acetaminophen. The full list is on the Orphenadrin 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.