<s>[INST] child, girl, 11 yrs old, has swollen knees. Sent home while waiting on Lyme disease test and I think JRA tests. They said they think it is juvenile rheumatoid arthritis. Its been 3 or 4 days now..knees darker purple. and all of legs are webbed...like you can see all of her blood in veins and capillaries.?? [/INST] JRA or some inflammatory arthritis can occur in younger age group, Please wait for the test results. she will need medication to control her pain and swelling if its due to JRA. </s>