A previously healthy eight year old boy presented to the emergency depament with high grade fever, ahralgia, pruiritic erythematous rash and lymphadenopathy. He had completed 8 days out of a 10 day course of cefaclor for an upper respiratory tract infection. Which of the following possibilities should be initially suspected?
Kawasaki Disease Anaphylaxis Henoch Schonlein purpura Type III Hypersensitivity Reaction