Drug interactions
Alprazolam + Marijuana
Severity: Moderate
Alprazolam and Marijuana: 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 causes sedation, impaired coordination and slowed reaction times, which add to alprazolam effects. Cannabinoids may also modestly inhibit CYP3A4, though the clinical importance of this is uncertain.
What this interaction means in plain words
Alprazolam and Marijuana 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 depression, with possible CYP3A4 inhibition by cannabinoids.
What to do
Advise patients to avoid driving and hazardous tasks and to report excessive drowsiness. Monitor for sedation and cognitive impairment.
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 Alprazolam
- Alprazolam + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Alprazolam + Itraconazole Contraindicated
- Alprazolam + Ketoconazole Contraindicated
- Alprazolam + Levoketoconazole Contraindicated
- Alprazolam + Sodium oxybate Contraindicated
- Alfentanil + Alprazolam Major
Frequently asked questions
Can I take Alprazolam with Marijuana?
MediHelp rates the interaction as moderate. Alprazolam and Marijuana 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 causes sedation, impaired coordination and slowed reaction times, which add to alprazolam effects. Cannabinoids may also modestly inhibit CYP3A4, though the clinical importance of this is uncertain.
How serious is the interaction between Alprazolam and Marijuana?
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 driving and hazardous tasks and to report excessive drowsiness. Monitor for sedation and cognitive impairment.
What other medicines interact with Alprazolam?
MediHelp also lists interactions of Alprazolam with, for example, Calcium / magnesium / potassium / sodium oxybates, Itraconazole, Ketoconazole. The full list is on the Alprazolam page.
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