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Benadryl Dosage Calculator
Calculate Diphenhydramine (Benadryl) dosage based on patient weight
Clinical Guidelines: Standard pediatric diphenhydramine dosing is approximately $1.25\text{ mg/kg}$ per dose (given every 6 hours as needed), up to a maximum single adult dose of $50\text{ mg}$. Enter patient weight below.
Patient Parameters Input
Calculation Results
⚠️ Not medical advice. For educational and clinical support only. Always verify pediatric dosages with a pediatrician or pharmacist before administration. Do not give to children under 2 years old without direct medical supervision.