Avodart (Dutasteride) is used to treat benign prostatic hyperplasia (BPH) in men. This is a condition that causes you to have an enlarged prostate. This medicine helps to control your symptoms, decrease urinary retention, and reduces your risk of needing surgery. Avodart change in sex drive or performance. This medicine can interfere with PSA laboratory tests for prostate cancer. Women who are pregnant or may get pregnant must not handle this medicine. Avodart  increase hair growth and prevent further hair loss in males.