Uses : Finasteride is used in the treatment of benign prostatic hyperplasia (bph). It is also used at a lower dose to prevent hair loss in men. How it works : Finasteride blocks an enzyme which is necessary to change to another hormone that causes the prostate to grow. As a result, it helps to shrink the prostate and relieve the symptoms like difficulty in passing urine. It works in hair loss by stimulating hair growth.
Common side effects : Decreased libido, Decreased semen volume, Impotence