Dutasteride/tamsulosin

Dutasteride/tamsulosin is a combination medication used in the management of benign prostatic hyperplasia (BPH). It contains two active ingredients: dutasteride, a 5-alpha-reductase inhibitor, and tamsulosin, an alpha blocker. This combination is marketed under various brand names, including Jalyn and Duodart.

Mechanism of Action

Dutasteride inhibits the conversion of testosterone to dihydrotestosterone (DHT), a hormone that contributes to the growth of the prostate gland. Tamsulosin, on the other hand, relaxes the muscles in the prostate and the bladder neck, making it easier to urinate.

Indications

Dutasteride/tamsulosin is indicated for the treatment of symptomatic BPH in men with an enlarged prostate. It helps to reduce the risk of acute urinary retention (AUR) and the need for BPH-related surgery.

Side Effects

Common side effects of dutasteride/tamsulosin include erectile dysfunction, decreased libido, breast disorders, and ejaculation disorders. Rare but serious side effects include heart failure and serious skin reactions.

Contraindications

Dutasteride/tamsulosin is contraindicated in patients with a known hypersensitivity to dutasteride, tamsulosin, or any component of the product. It is also contraindicated in women, children, and adolescents.

Drug Interactions

Dutasteride/tamsulosin may interact with other medications, including other alpha blockers, PDE5 inhibitors, and cimetidine. It is important to inform your healthcare provider about all the medications you are currently taking.

Dosage and Administration

The recommended dose of dutasteride/tamsulosin is one capsule (0.5 mg dutasteride and 0.4 mg tamsulosin) once daily. The capsule should be swallowed whole and not chewed or opened.

See Also

• Benign prostatic hyperplasia
• 5-alpha-reductase inhibitor
• Alpha blocker