Drug interactions
Marijuana + Tapentadol
Severity: Moderate
Marijuana and Tapentadol: 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
Cannabis can add to the drowsiness, dizziness and impaired cognition produced by tapentadol. Combined use increases the risk of falls, accidents and impaired driving.
What this interaction means in plain words
Marijuana and Tapentadol 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 depressant effects of cannabinoid receptor activation and opioid receptor agonism.
What to do
Advise patients to avoid cannabis while on tapentadol, or at least to avoid driving and other hazardous tasks. Monitor for excess sedation and reduce the opioid dose if needed.
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 Tapentadol
- Calcium / magnesium / potassium / sodium oxybates + Tapentadol Contraindicated
- Isocarboxazid + Tapentadol Contraindicated
- Linezolid + Tapentadol Contraindicated
- Methylene blue + Tapentadol Contraindicated
- Olanzapine / samidorphan + Tapentadol Contraindicated
- Phenelzine + Tapentadol Contraindicated
Frequently asked questions
Can I take Marijuana with Tapentadol?
MediHelp rates the interaction as moderate. Marijuana and Tapentadol 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. Cannabis can add to the drowsiness, dizziness and impaired cognition produced by tapentadol. Combined use increases the risk of falls, accidents and impaired driving.
How serious is the interaction between Marijuana and Tapentadol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid cannabis while on tapentadol, or at least to avoid driving and other hazardous tasks. Monitor for excess sedation and reduce the opioid dose if needed.
What other medicines interact with Tapentadol?
MediHelp also lists interactions of Tapentadol with, for example, Calcium / magnesium / potassium / sodium oxybates, Isocarboxazid, Linezolid. The full list is on the Tapentadol page.
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