Dengue,unfortunately,is overdiagnosed and overhyped in Delhi-ncr. Most fevers in children are viral in origin and take 3-7 days to subside. Unless accompanied by other symptoms like vomiting or loose motions or coughing and breathlessness or dullness,just give paracetamol for fever and repeat every 4 hours if required. Even in dengue,proved by blood tests,medically significant situation is IF platelets are below 20,000.