Diphenhydramine (Benadryl) Dosage
Diphenhydramine, the active ingredient in Benadryl, is a type of medicine that provides temporary relief of allergy symptoms, including those associated with insect bites and stings. Benadryl comes in a liquid form, chewable form, quick dissolve strips, or as a tablet or capsule. Brand name Benadryl will say "Benadryl Allergy" on the lable. Dosage guidelines for diphenhydramines are found in the table below. When comparing the different forms of Benadryl, please remember it is the total milligrams per dose that is the important value.
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Benadryl Liquid: 12.5 mg = 5 mL / 5 mL = 1 teaspoon
Weight: 22-32 pounds = 3/4 teaspoon
Weight: 33-43 pounds = 1 teaspoon
Weight: 44-54 pounds = 1 & 1/2 teaspoon
Weight: 55-109 pounds = 2 teaspoons
Weight 110+ pounds = 2 teaspoons
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Benadryl Chewables: 12.5 mg
Weight: 33-43 pounds = 1 chewable
Weight: 44-54 pounds = 1 & 1/2 chewable
Weight: 55-105 pounds = 2 chewables
Weight: 110 + pounds = 4 chewables
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Benadryl Capsules: 25 mg
Weight: 55-109 pounds = 1 capsule
Weight: 110+ pounds = 2 capsules
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Benadryl Quick Dissolve Strips: 25 mg
Weight: 55-109 pounds = 1 strip
Weight: 110 + pounds = 2 strips