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.
Using hormones such as medroxyprogesterone in combination with estrogen is called combination hormone therapy, or combination HT. Combination HT is normally used to treat bothersome symptoms of menopause. The combination of estrogen with a progestin hormone is only necessary for women who still have a uterus.edroxyprogesterone (Provera Â® , Depo-Provera Â® , depo-subQ Provera 104 Â®) is a prescription progestin hormone. It has several uses.