Drug interactions
Atorvastatin + Marijuana
Severity: Minor
Atorvastatin 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, especially cannabidiol, can inhibit CYP3A4 and might raise atorvastatin levels. Clinical evidence is limited and the effect is probably small.
What this interaction means in plain words
Atorvastatin 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 inhibit CYP3A4 in vitro, which could reduce atorvastatin metabolism.
What to do
No routine change is needed. Ask patients to report muscle pain or weakness.
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 Atorvastatin
- Atorvastatin + Tipranavir Contraindicated
- Atazanavir + Atorvastatin Major
- Atorvastatin + Clarithromycin Major
- Atorvastatin + Cobicistat Major
- Atorvastatin + Cyclosporin Major
- Atorvastatin + Danazol Major
Frequently asked questions
Can I take Atorvastatin with Marijuana?
MediHelp rates the interaction as minor. Atorvastatin 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, especially cannabidiol, can inhibit CYP3A4 and might raise atorvastatin levels. Clinical evidence is limited and the effect is probably small.
How serious is the interaction between Atorvastatin 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: No routine change is needed. Ask patients to report muscle pain or weakness.
What other medicines interact with Atorvastatin?
MediHelp also lists interactions of Atorvastatin with, for example, Tipranavir, Atazanavir, Clarithromycin. The full list is on the Atorvastatin page.
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