Supportive
NSAIDs for pain, may worsen renal disease or GI disease
Consider prednisone 1mg/kg/day for severe arthralgias, abdominal or scrotal disease
May require IVIG to prevent and treat glomerulonephritis
Henoch-Schonlein purpura
Emergent
Serum sickness
Necrotizing Enterocolitis
Kawasaki disease
Volvulus
Hemolytic uremic syndrome
Testicular torsion