This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': "The best treatment for Kawasaki's disease is : \nSelect and explain. \nA. Aspirin, B. I.V. immunoglobulins, C. Corticosteroids, D. Methotrexate", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Every patient with a clinical diagnosis Kawasaki disease should be treated.\nIVIG is given within the first 10 days of illness.\nConcomitant aspirin should be started until the patient is afebrile.\nIf fever persist beyond 36 hours after the initial IVIG infusion, a new dose of IVIG\xa0should be given if no other source of fever is found.\nMethylprednisolone should follow if the disease persists after the second IVIG administration.\nFurther options for refractory cases include TNF blockers (eg, infliximab), cyclophosphamide, methotrexate, and plasmapheresis.', 'role': 'assistant'}]