If left untreated, Lyme disease may cause significant swelling, usually in a single joint such as the knee.



 

 ## Departments and Programs Who Treat This Condition

  department###  [Rheumatology (Pediatrics)](/departments/rheumatology-pediatrics) 

 Treatment for pediatric rheumatic diseases, such as juvenile arthritis, lupus, arm and leg pain, fevers, and dermatomyositis, from specialized pediatric rheumatologists