The manufacturer's healthcar professionals website for Proscar, a drug that reduces the size of the prostate gland. The site has links to the Full Prescribing & Patient Product Information pdf files.

"Physicians should inform patients that the volume of ejaculate may be decreased in some patients during treatment with PROSCAR. This decrease does not appear to interfere with normal sexual function. However, impotence and decreased libido may occur in patients treated with PROSCAR . . ..

"Physicians should instruct their patients to promptly report any changes in their breasts such as lumps, pain or nipple discharge. Breast changes including breast enlargement, tenderness and neoplasm have been reported.".