clipped from: www.texaschildrenshospital.org   
Benadryl dosage (antihistamine)


Child's weight more than            22         33         44         55         110       lbs.

Total amount (mg)                         10         15         20         25           50       mg

liquid 12.5 mg/5 ml (tsp)                3/4         1          1½         2            --         tsp

Chewable 12.5 mg                         --           1          1½         2             4      tablets

Capsules 25 mg                            --           --           --          1              2       caps

  • Benadryl Dosage: determine by finding your child's weight in the top row of the dosage table.
  • Adult dose: 50 mg.
  • Repeat every 6-8 hours as needed.
  • Don't use under 1 year of age (reason: it's a sedative).

Parent Care for Pediatric Symptoms. Copyright © 2000. Barton D. Schmitt, MD, FAAP