Question: how many milligrams of benadryl for an allergic reaction?
Answer: Allergic reactions: Infants, Children, and Adolescents: IM, IV, Oral: 5 mg/kg/day in divided doses every 6 to 8 hours: maximum: 300 mg daily Alternate dosing by age: Oral: 2 to <6 years (off-label use): 6.25 mg every 4 to 6 hours; maximum: 37.5 mg daily (Kleigman, 2011) 6 to <12 years: 12.5 to 25 mg every 4 to 6 hours; ...