Drug interactions
Nabilone + Topiramate
Severity: Moderate
Nabilone and Topiramate: 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 cause CNS depression, so combining them can increase drowsiness, dizziness, and cognitive impairment. Impaired psychomotor performance can affect driving and safety.
What this interaction means in plain words
Nabilone and Topiramate 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 belongs to Gastrointestinal Tract; Topiramate belongs to Central Nervous System.
Why it happens
Additive CNS depressant effects.
What to do
Start at low doses and titrate slowly. Counsel patients to avoid driving and alcohol until the response is known.
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?
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Other interactions of Nabilone
Other interactions of Topiramate
Frequently asked questions
Can I take Nabilone with Topiramate?
MediHelp rates the interaction as moderate. Nabilone and Topiramate 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 cause CNS depression, so combining them can increase drowsiness, dizziness, and cognitive impairment. Impaired psychomotor performance can affect driving and safety.
How serious is the interaction between Nabilone and Topiramate?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Start at low doses and titrate slowly. Counsel patients to avoid driving and alcohol until the response is known.
What other medicines interact with Nabilone?
MediHelp also lists interactions of Nabilone with, for example, Alfentanil, Amobarbital, Belladonna and opium. The full list is on the Nabilone page.
Full monographs, dosing and an interaction checker in the MediHelp app
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