Sam Williams and his parents knew something was wrong when it hurt for the 8-year-old to grip a baseball bat, but they never considered juvenile arthritis.
It hurt to write, giving Sam a sound excuse for not wanting to do his homework -- or even his work at school. After several weeks, Sam's pain grew worse -- and moved into his knees. He also had pain in his jaw and had trouble walking.
"His brother had to carry him piggyback up the stairs," says Rose Williams, Sam's mother.
After several months,...
If your doctor thinks you have this condition, she may take a biopsy (a small tissue sample) of an affected area to see if the blood vessels in the area are inflamed. For instance, your biopsy might come from an area of your skin that has a suspicious rash.
In some cases, your doctor may recommend doing a kidney or lung biopsy.
If you have this disease, you will need to take drugs that target your immune system. The goal is to limit or prevent damage to healthy tissues.