A 15 year old girl with Juvenile xanthogranuloma diagnosed by tissue biopsy and immunohistochemistry and presented with hand arthritis which was treated with prednisolon 20mg/d, Meloxicam, and Hydroxychloroquin 400m/d. It has good response, but when tapering steroid below 20mg , the symptoms recur again. What is your experience regarding other immunosuppressive drugs Like Methotrexate, Azathioprin,