the conditions of three children with dermatomyositis and one child with polymyositis were treated for nine to 31 months with combined prednisone and intravenous methotrexate ( 1 mg/kg/wk ) when prednisone alone was ineffective in controlling the disease or when there were substantial steroid-related toxic effects .
C0011633
dermatomyositis
C0032952
prednisone