Williamsville Pediatric Center

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Benadryl Dosing

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Generic name: Diphenhydramine

Weight Liquid
12.5 mg/5 ml
Chewables
12.5 mg
Adult Tab
  25mg
3-6 Months (10-20 lbs) 1/2 tsp n/a n/a
6 mo-2yrs (20-35 lbs) 1 tsp 1 tab n/a
2 - 5 yrs (35-50 lbs) 1 1/2 tsp 1 tab n/a
6-12 years (>50 lbs) 2 tsp 2 tabs 1 tab

Children and teens 12 and older may take 25-50 mg every 6 hours.

Dosages may be repeated every 6-8 hours, and should not be given more than 4 times in a 24 hour period.

Benadryl is generally sedating, but it is important to note that it will have the opposite reaction with a small percentage of children causing agitation. Always monitor for side effects when giving any medication.

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2733 Wehrle Drive, Williamsville, NY 14221 | Ph: (716) 631.3510 | Fax: (716) 631.9627

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