Benadryl Dosage Chart

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Antihistamine ONLY Benadryl Allergy Liquid
12.5 mg/ 5ml
Benadryl l Dye-free Allergy
Liquid
12.5 mg/5ml
Benadryl Allergy FASTMELT® Tablets

12.5 mg/tab
Flavor Cherry Bubble Gum Grape
Dosing Frequency Every 4-6 hours Every 4-6 hours Every 4-6 hours
Under 3 months Do not use Do not use Do not use
4-11 mos.
12-17 lbs.
Do not use Do not use Do not use
12-23 mos.
18-23 lbs.
Do not use Do not use Do not use
2-3 yrs.
24-35 lbs.
Do not use unless directed by doctor Do not use unless directed by doctor Do not use unless directed by doctor
4-5 yrs.
36-47 lbs.
Do not use unless directed by doctor Do not use unless directed by doctor Do not use unless directed by doctor
6-8 yrs.
48-59 lbs.
1 to 2 tsp 1 to 2 tsp 1 to 2 tablets
9-10 yrs.
60-71 lbs.
1 to 2 tsp 1 to 2 tsp 1 to 2 tablets
11 yrs.
71-95 lbs.
1 to 2 tsp 1 to 2 tsp 1 to 2 tablets
12 + yrs.
96 + lbs.
2 tsp 2 tsp 1 to 2 tablets

Now that you know the dose, do you know for sure whether Baby’s symptoms mean a cold or allergies—or even asthma? (Take the quiz!). And see what our experts have to say about giving children Benadryl on long trips and whether it’s OK to give antihistamines to kids to help them sleep.

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