Drug interactions
Dronabinol + Sparsentan
Severity: Minor
Dronabinol and Sparsentan: 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
Sparsentan induces CYP2C9 and may lower exposure to CYP2C9 substrates such as dronabinol. This could reduce its therapeutic effect.
What this interaction means in plain words
Dronabinol and Sparsentan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dronabinol belongs to Central Nervous System; Sparsentan belongs to Genitourinary.
Why it happens
Sparsentan induces CYP2C9, increasing dronabinol metabolism.
What to do
Monitor the response to dronabinol and increase the dose if efficacy declines. Reassess the dose if sparsentan is stopped.
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 Dronabinol
- Cefotetan + Dronabinol Contraindicated
- Disulfiram + Dronabinol Contraindicated
- Dronabinol + Midazolam intranasal Major
- Dronabinol + Zuranolone Major
- Amobarbital + Dronabinol Moderate
- Apalutamide + Dronabinol Moderate
Other interactions of Sparsentan
- Aliskiren + Sparsentan Contraindicated
- Amlodipine-hydrochlorothiazide-valsartan + Sparsentan Contraindicated
- Amlodipine-olmesartan-hydrochlorothiazide + Sparsentan Contraindicated
- Amlodipine-olmesartan + Sparsentan Contraindicated
- Amlodipine-valsartan + Sparsentan Contraindicated
- Azilsartan-chlorthalidone + Sparsentan Contraindicated
Frequently asked questions
Can I take Dronabinol with Sparsentan?
MediHelp rates the interaction as minor. Dronabinol and Sparsentan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Sparsentan induces CYP2C9 and may lower exposure to CYP2C9 substrates such as dronabinol. This could reduce its therapeutic effect.
How serious is the interaction between Dronabinol and Sparsentan?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor the response to dronabinol and increase the dose if efficacy declines. Reassess the dose if sparsentan is stopped.
What other medicines interact with Dronabinol?
MediHelp also lists interactions of Dronabinol with, for example, Cefotetan, Disulfiram, Midazolam intranasal. The full list is on the Dronabinol page.
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