• Primary outcome: Fever (Measured when enrolled in CTP and every 3 months) A. Complete response: For antipyretic or steroid arm: complete resolution of fever for the particular flare within 12 h after medication administration for 3 months For prophylaxis or surgery arm: no fever for 3 months B. Partial response: Reduced number of days of fever over 3 months C. No response: No change or increased number of days of fever over 3 months • Other measures to be captured:  1) A decrease in the number of missed work days for the parent due to a PFAPA episode  2) Parent global score assessment on visual analog scale (VAS) |