Drug interactions
Etravirine + Finasteride
Severity: Minor
Etravirine and Finasteride: 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
Etravirine is a CYP3A4 inducer and may lower finasteride exposure. The effect is likely modest and of limited clinical consequence.
What this interaction means in plain words
Etravirine and Finasteride have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Etravirine belongs to Anti Virals; Finasteride belongs to Genitourinary.
Why it happens
Induction of CYP3A4 increasing finasteride clearance.
What to do
No empirical adjustment is needed; reassess finasteride response if efficacy seems diminished.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Etravirine and Finasteride, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Finasteride
- Finasteride + Levoketoconazole Moderate
- Finasteride + Nefazodone Moderate
- Finasteride + Rifampin Moderate
- Finasteride + St john's wort Moderate
- Amobarbital + Finasteride Minor
- Aprepitant + Finasteride Minor
Other interactions of Etravirine
- Efavirenz + Etravirine Contraindicated
- Etravirine + Isavuconazole Contraindicated
- Amobarbital + Etravirine Major
- Apalutamide + Etravirine Major
- Carbamazepine + Etravirine Major
- Cobicistat + Etravirine Major
Frequently asked questions
Can I take Etravirine with Finasteride?
MediHelp rates the interaction as minor. Etravirine and Finasteride have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Etravirine is a CYP3A4 inducer and may lower finasteride exposure. The effect is likely modest and of limited clinical consequence.
How serious is the interaction between Etravirine and Finasteride?
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 empirical adjustment is needed; reassess finasteride response if efficacy seems diminished.
What other medicines interact with Finasteride?
MediHelp also lists interactions of Finasteride with, for example, Levoketoconazole, Nefazodone, Rifampin. The full list is on the Finasteride page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
