Dutasteride is a dual 5-alpha reductase inhibitor used for the treatment of symptomatic benign prostatic hyperplasia (BPH) in men. It reduces the size of the enlarged prostate and improves urinary symptoms.

Finasteride is a 5-alpha reductase inhibitor used to treat an enlarged prostate (benign prostatic hyperplasia) and male pattern hair loss. It works by decreasing the amount of the hormone dihydrotestosterone (DHT) in the body.

Tamsulosin is an alpha-blocker that relaxes the muscles in the prostate and bladder neck, making it easier to urinate. It is primarily used to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia, BPH).