Dosing Guidelines for Benadryl® (diphenhydramine)
1 teaspoonful (5 mL) = 12.5 mg of diphenhydramine
|Age (in years)||Dose|
|Under 6 years||Ask a doctor|
|6 years to 12 years||1 – 2 teaspoonfuls (12.5 mg to 25 mg)|
|12 years old or older||2-4 teaspoonfuls (25 mg to 50 mg)|
May repeat every 4 to 6 hours, not to exceed 6 doses in 24 hours.
**Always use a dropper, oral syringe, or cup with clear markings. Do not use household utensils to measure a dose because they can vary.