Generic Catapres (clonidine) lowers blood pressure by decreasing the levels of certain chemicals in your blood. This allows your blood vessels to relax and your heart to beat more slowly and easily. Generic Catapres is used to treat hypertension (high blood pressure). Generic Kapvay brand of clonidine is used to treat attention deficit hyperactivity disorder (ADHD).
Generic Estrace is used for treating conditions due to menopause (eg, hot flashes; vaginal itching, burning, or dryness), treating vulval or vaginal atrophy, and preventing osteoporosis (brittle bones). It is also used for estrogen replacement therapy after failure of the ovaries and to relieve the symptoms of breast cancer.