Diphenhydramine (Benadryl) Dosage Table
| Diphenhydramine Dosage Table (Benadryl) | | Child's weight more than (pounds) | 20 | 25 | 38 | 50 | 100 | lbs. | | Total amount (mg) | 10 | 12.5 | 19 | 25 | 50 | mg | | Liquid 12.5mg/5ml (tsp) | ¾ | 1 | 1½ | 2 | -- | tsp | | Chewable 12.5 mg | -- | 1 | 1½ | 2 | 4 | tablets | | Capsules 25 mg | -- | -- | -- | 1 | 2 | caps |
Indications: For itching, allergic reactions, and hives. Also can be used as a cough suppressant. Table Notes: - AGE LIMITS: For allergies, don't use under 1 year of age (Reason: it's a sedative). For colds, routine use not indicated (no efficacy) at any age and should be avoided if under 2 years old. Avoid multi-ingredient products in children under 6 years of age. (Reason: AAP recommendations 10/2007).
- DOSAGE: Determine by finding child's weight in the top row of the dosage table
- FREQUENCY: Repeat every 6-8 hours as needed
- ADULT DOSAGE: 50 mg
- CHILDREN’S BENADRYL FASTMELTS: Each fastmelt tablet contains the equivalent of 12.5 mg of Diphenhydramine HCL and dosed the same as chewable tablets
Disclaimer: This information is not intended be a substitute for professional medical advice. It is provided for educational purposes only. You assume full responsibility for how you choose to use this information.
Author and Senior Reviewer: Barton D. Schmitt, M.D.
Last Reviewed: 8/1/2007
Last Revised: 8/24/2007
Content Set: Pediatric HouseCalls Online
Copyright 1994-2007 Barton D. Schmitt, M.D.
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