Drug interactions
Marijuana + Prednisone
Severity: Minor
Marijuana and Prednisone: 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 may inhibit CYP3A4 in vitro, which might raise prednisolone exposure, but the clinical effect is unproven.
What this interaction means in plain words
Marijuana and Prednisone 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
Possible CYP3A4 inhibition by cannabinoids; clinical relevance not established.
What to do
No routine change needed. Be alert for increased corticosteroid adverse effects in heavy cannabis users on long-term prednisone.
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 Prednisone
- Bcg vaccine live + Prednisone Contraindicated
- Measles vaccine + Prednisone Contraindicated
- Mifepristone + Prednisone Contraindicated
- Prednisone + Radium-223 dichloride Contraindicated
- Prednisone + Smallpox vaccine live Contraindicated
- Adenovirus types 4 and 7 live + Prednisone Major
Frequently asked questions
Can I take Marijuana with Prednisone?
MediHelp rates the interaction as minor. Marijuana and Prednisone 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 may inhibit CYP3A4 in vitro, which might raise prednisolone exposure, but the clinical effect is unproven.
How serious is the interaction between Marijuana and Prednisone?
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 needed. Be alert for increased corticosteroid adverse effects in heavy cannabis users on long-term prednisone.
What other medicines interact with Prednisone?
MediHelp also lists interactions of Prednisone with, for example, Bcg vaccine live, Measles vaccine, Mifepristone. The full list is on the Prednisone page.
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