Drug interactions
Docetaxel + Marijuana
Severity: Minor
Docetaxel and Marijuana: minor 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
Cannabinoids such as cannabidiol can inhibit CYP3A4 in vitro, which could in theory raise docetaxel levels. Clinical evidence of a meaningful effect is lacking.
What this interaction means in plain words
Docetaxel and Marijuana have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Cannabinoids may inhibit CYP3A4, reducing docetaxel metabolism.
What to do
Monitor for docetaxel toxicity such as neutropenia and neuropathy. Ask patients about cannabis use during treatment.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Docetaxel
Frequently asked questions
Can I take Docetaxel with Marijuana?
MediHelp rates the interaction as minor. Docetaxel and Marijuana have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Cannabinoids such as cannabidiol can inhibit CYP3A4 in vitro, which could in theory raise docetaxel levels. Clinical evidence of a meaningful effect is lacking.
How serious is the interaction between Docetaxel and Marijuana?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for docetaxel toxicity such as neutropenia and neuropathy. Ask patients about cannabis use during treatment.
What other medicines interact with Docetaxel?
MediHelp also lists interactions of Docetaxel with, for example, Adenovirus types 4 and 7 live, Atazanavir, Belatacept. The full list is on the Docetaxel page.
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