Propecia.

Propecia (finasteride) can be used for the treatment of hair loss in males thought to be associated with conversion of testosterone to dihydrotestosterone. Females and children must never be allowed to handle crushed tablets of Propecia. This drug can cause birth defects if handled or even taken by a pregnant woman. Make sure you do not let other people touch your medicine and report any of such cases to your health care provider to see what needs to be done next. Tell your doctor if you have liver disease, prostate cancer, inability to urinate or trouble urinating, abnormal liver enzyme tests, stricture of your urethra, bladder muscle disorder, or some other conditions that may affect the success of your treatment. You may develop a number of side effects when using Propecia, and the following are most common: headache, swelling or tenderness in your breasts, abnormal ejaculation, skin rash, runny nose, dizziness, impotence, weakness, swelling in your hands or feet, or pain in the testicles. Tell your health care provider if those symptoms do not go away or you get more serious ones – such as breast pain, breast lumps, any unusual breast changes, or nipple discharge (possible signs of male breast cancer).