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Drug interactions

Azelastine + Nabilone

Severity: Moderate

Azelastine and Nabilone: 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

Nabilone causes drowsiness, dizziness and cognitive effects, which may be potentiated by azelastine. Alertness and judgment may be notably reduced.

What this interaction means in plain words

Azelastine and Nabilone 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; Nabilone belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Additive CNS depression from H1-receptor antagonism and cannabinoid receptor agonism.

What to do

Monitor for oversedation and confusion. Advise against driving and avoid alcohol.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Azelastine with Nabilone?

MediHelp rates the interaction as moderate. Azelastine and Nabilone 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. Nabilone causes drowsiness, dizziness and cognitive effects, which may be potentiated by azelastine. Alertness and judgment may be notably reduced.

How serious is the interaction between Azelastine and Nabilone?

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 oversedation and confusion. Advise against driving and avoid alcohol.

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.

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