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Benadryl Dosage Calculator
Calculate appropriate diphenhydramine dosing for children and adults
About Benadryl Dosage
This calculator helps determine appropriate diphenhydramine (Benadryl) dosing based on age, weight, and indication. Always consult with a healthcare provider before giving medication to children.
Important Safety Information
- Children under 6 months: Do not give Benadryl without medical supervision
- Maximum frequency: Every 4-6 hours, not to exceed 4 doses in 24 hours
- Side effects: May cause drowsiness, dry mouth, and dizziness
- Interactions: May interact with other medications
- Emergency: Seek immediate medical attention for severe allergic reactions