Drug interactions
Dutasteride-tamsulosin + Etravirine
Severity: Minor
Dutasteride-tamsulosin and Etravirine: 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 induces CYP3A4 and may lower tamsulosin and dutasteride concentrations. This could reduce symptom relief for prostatic enlargement.
What this interaction means in plain words
Dutasteride-tamsulosin and Etravirine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dutasteride-tamsulosin belongs to Genitourinary; Etravirine belongs to Anti Virals.
Why it happens
Induction of CYP3A4 increasing metabolism of tamsulosin and dutasteride.
What to do
Monitor urinary symptom response and adjust therapy if efficacy is lost.
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 Dutasteride-tamsulosin
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 Dutasteride-tamsulosin with Etravirine?
MediHelp rates the interaction as minor. Dutasteride-tamsulosin and Etravirine 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 induces CYP3A4 and may lower tamsulosin and dutasteride concentrations. This could reduce symptom relief for prostatic enlargement.
How serious is the interaction between Dutasteride-tamsulosin and Etravirine?
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 urinary symptom response and adjust therapy if efficacy is lost.
What other medicines interact with Dutasteride-tamsulosin?
MediHelp also lists interactions of Dutasteride-tamsulosin with, for example, Alfuzosin, Amifostine, Atazanavir. The full list is on the Dutasteride-tamsulosin page.
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