Dutasteride and Tamsulosin
Jalyn is a combination medication containing dutasteride and tamsulosin, used to treat benign prostatic hyperplasia (BPH) in men with an enlarged prostate. Dutasteride reduces prostate size by blocking hormone conversion, while tamsulosin relaxes muscles in the prostate and bladder neck to improve urinary flow.
Jalyn is a combination drug for men with enlarged prostates that works by shrinking prostate tissue and relaxing urinary tract muscles.
Key facts at a glance
- RxNorm
- 996098
- Generic
- Jalyn
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Jalyn is indicated for the treatment of symptomatic benign prostatic hyperplasia (BPH) in men with an enlarged prostate gland. It helps relieve urinary symptoms such as difficulty starting urination, weak stream, and frequent or urgent urination.
Jalyn combines two mechanisms: dutasteride inhibits the enzyme 5-alpha reductase to reduce conversion of testosterone to dihydrotestosterone (DHT), thereby shrinking prostate tissue over time. Tamsulosin is an alpha-1 blocker that relaxes smooth muscle in the prostate and bladder neck, providing more immediate symptom relief.
Jalyn is for use in men only and should not be handled by women or children due to potential absorption of dutasteride. Common side effects may include decreased libido, erectile dysfunction, and dizziness. It takes several months to see full effects on prostate size. Regular monitoring and PSA testing may be recommended during treatment.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy