Generic Premarin is used for treating certain symptoms of menopause (eg, hot flashes, vaginal dryness or itching). It is used to prevent osteoporosis (weak bones) after menopause in certain patients. It is also used in certain patients to treat low estrogen levels, prostate cancer or breast cancer.
Generic Proscar is used for treating urinary problems caused by an enlarged prostate gland (benign prostatic hyperplasia, BPH). It is also used to lower the risk of needing surgery to treat BPH. It may be used with another medicine to lower the risk of worsening BPH.