avodart - Version 1.0 Avodart (generic name: Dutasteride) is used to treat prostate enlargement, a condition that is medically known as benign prostatic hyperplasia, or BPH. The prostate is a chestnut-shaped gland that is part of the male reproductive system. It produces a liquid that forms part of the semen. This gland completely encloses the upper part of the urethra, the tube through which urine flows out of the bladder. Many men over age 50 suffer from a benign (noncancerous) enlargement of the prostate. The enlarged gland squeezes the urethra, obstructing the normal flow of urine. Resulting problems may include difficulty in starting urination, weak flow of urine, and the need to urinate urgently or more frequently. Sometimes surgical removal of the prostate