Clopidogrel is used for reducing the risk of stroke or heart attack in patients who have already had a heart attack or stroke or have other circulatory problems due to narrowing and hardening of the arteries.
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.