Monroe Pediatric Associates
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Pediatricians of New York Monroe Pediatric Associates

Monroe Pediatrics is a division of Allied Pediatrics of New York

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Benadryl (diphenhydramine HCl) Dosage Chart


Give the weight appropriate dosage listed below every 4 - ­6 hours as needed, or as recommended by your pediatrician.

* This is the maximum recommended safe dosage based on your child's weight. If the listed dosage makes your child too sleepy, you may need to decrease the amount of medicine given in each dose.



Weight (pounds)

Elixir (12.5mg / 5ml)

FastMelt Chewable (12.5mg tablets)

Tablets/Capsules & Quick Dissolve Strips (25mg tablets or 25mg strips)

8-­9

1.25 ml (¼ tsp)



10-­11

2ml



12-­16

2.5 ml (½ tsp)



17-­21

3.75 ml (¾ tsp)



22-­25

4 ml



26-­33

5 ml (1 tsp)

1 FastMelt


33-­39

6 ml

1 FastMelt


40-­45

7 ml (1 ½ tsp)

1 ½ FastMelt


46-­52

9 ml

1 ½ FastMelt


53-­58

10 ml (2 tsp)

2 FastMelt

1 tab/cap/strip

59-­65

11 ml

2 FastMelt

1 tab/cap/strip

66-­72

12 ml (2 ½ tsp)

2 ½ FastMelt

1 ½ tabs/caps/strip

73-­80

14 ml

2 ½ FastMelt

1 ½ tabs/caps/strips

81-­88

15 ml (3 tsp)

3 FastMelt

1 ½ tabs/caps/strips

89-­99

17 ml

3 FastMelt

2 tabs/caps/strips

100-­109

18 ml

4 FastMelt

2 tabs/caps/strips

≥ 110

20 ml (4 tsp)

4 FastMelt

2 tabs/caps/strips