Benadryl Dosage

Generic name: Acetaminophen, Diphenhydramine, and Phenylephrine Tablet
Brand names: Benadryl Allergy/Cold, Tylenol Allergy Multi-Symptom
Drug class: Upper respiratory combinations

Medically reviewed by  A Ras MD.

Adult Dosing

Allergy sx

[ 6-11 yo ]

Dose: 1 tab/cap PO q4-6h prn; Max: 6 tabs or caps/24h

[ 12 yo and older ]

Dose: 1-2 tabs/caps PO q4-6h prn; Max: 12 tabs or caps/24h

Insomnia, short-term tx

[ 12 yo and older ]

Dose: 1-2 tabs/caps PO qhs prn; Info: give 30min before bedtime

Motion sickness prevention

[ 6-11 yo ]

Dose: 1 tab/cap PO q4-6h prn; Start: 30min before event; Max: 6 tabs or caps/24h

[ 12 yo and older ]

Dose: 1-2 tabs/caps PO q4-6h prn; Start: 30min before event; Max: 12 tabs or caps/24h

Pruritus/urticaria

[ 6-11 yo ]

Dose: 1 tab/cap PO q4-6h prn; Max: 6 tabs or caps/24h

[ 12 yo and older ]

Dose: 1-2 tabs/caps PO q4-6h prn; Max: 12 tabs or caps/24h

Renal dosing

renal impairment: no adjustment

HD/PD: no adjustment; no supplement

Hepatic dosing

[ not defined ]

SRC: NLM .