Drug interactions
Amobarbital + Dronabinol
Severity: Moderate
Amobarbital and Dronabinol: 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
Amobarbital is a barbiturate that induces CYP3A4, so it would be expected to lower dronabinol exposure rather than raise it. Both agents also cause CNS depression, so additive sedation and impaired psychomotor function are possible.
What this interaction means in plain words
Amobarbital and Dronabinol 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.
Amobarbital belongs to Central Nervous System; Dronabinol belongs to Central Nervous System.
Why it happens
Barbiturate induction of CYP3A4 and CYP2C9 may accelerate dronabinol metabolism, combined with additive CNS depressant effects.
What to do
Monitor for reduced dronabinol effect and for excessive sedation or cognitive impairment. Adjust the dronabinol dose according to response.
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 Amobarbital
- Amobarbital + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Amobarbital + Doravirine Contraindicated
- Amobarbital + Elbasvir / grazoprevir Contraindicated
- Amobarbital + Isavuconazonium Contraindicated
- Amobarbital + Isocarboxazid Contraindicated
- Amobarbital + Lonafarnib Contraindicated
Other interactions of Dronabinol
- Cefotetan + Dronabinol Contraindicated
- Disulfiram + Dronabinol Contraindicated
- Dronabinol + Midazolam intranasal Major
- Dronabinol + Zuranolone Major
- Apalutamide + Dronabinol Moderate
- Atazanavir + Dronabinol Moderate
Frequently asked questions
Can I take Amobarbital with Dronabinol?
MediHelp rates the interaction as moderate. Amobarbital and Dronabinol 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. Amobarbital is a barbiturate that induces CYP3A4, so it would be expected to lower dronabinol exposure rather than raise it. Both agents also cause CNS depression, so additive sedation and impaired psychomotor function are possible.
How serious is the interaction between Amobarbital and Dronabinol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for reduced dronabinol effect and for excessive sedation or cognitive impairment. Adjust the dronabinol dose according to response.
What other medicines interact with Amobarbital?
MediHelp also lists interactions of Amobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Amobarbital page.
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