Drug interactions
Marijuana + Solifenacin
Severity: Minor
Marijuana and Solifenacin: 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 and could modestly raise solifenacin levels. Additive effects such as drowsiness, tachycardia and dizziness may also occur, but the evidence is limited.
What this interaction means in plain words
Marijuana and Solifenacin 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 weak CYP3A4 inhibition by cannabinoids; the clinical significance is not well established.
What to do
No routine adjustment is needed; advise patients to report excessive sedation, tachycardia or anticholinergic symptoms.
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 Solifenacin
Frequently asked questions
Can I take Marijuana with Solifenacin?
MediHelp rates the interaction as minor. Marijuana and Solifenacin 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 and could modestly raise solifenacin levels. Additive effects such as drowsiness, tachycardia and dizziness may also occur, but the evidence is limited.
How serious is the interaction between Marijuana and Solifenacin?
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 adjustment is needed; advise patients to report excessive sedation, tachycardia or anticholinergic symptoms.
What other medicines interact with Solifenacin?
MediHelp also lists interactions of Solifenacin with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Solifenacin page.
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