Juvenile rheumatoid arthritis (JRA) is a term used to describe a common type of arthritis in children.It is a long-term (chronic) disease resulting in joint pain and swelling. Systemic (bodywide) JRA involves joint swelling or pain, fevers, and rash. 2  It is the least common type. 3  Polyarticular JRA involves many joints. 4  This form of JRA may turn into rheumatoid arthritis.
What is medroxyprogesterone? Medroxyprogesterone is a progestin (a form of progesterone), a female hormone that helps regulate ovulation (the release of an egg from an ovary) and menstrual periods. Medroxyprogesterone is used to treat conditions such as absent or irregular menstrual periods, or abnormal uterine bleeding. Medroxyprogesterone is also used to decrease the risk of endometrial hyperplasia (a condition that may lead to uterine cancer) while taking estrogens. Medroxyprogesterone is also used to prevent overgrowth in the lining of the uterus in postmenopausal women who are receiving estrogen hormone replacement therapy.
Depo-Provera (medroxyprogesterone acetate) is a form of progesterone, a female hormone used as contraception to prevent pregnancy. Depo-Provera is also used to reduce pain cause by endometriosis, and to ease pain and symptoms in women with metastatic uterine or kidney cancer. Depo-Provera is available in generic form.