Diphenhyrdamine (Benadryl) Dosing Chart

WeightLiquid 12.5mg/5mlChewable Tablets 12.5mg eachTablets 25mg each
17-21 lbs3/4 tsp (3.75ml)Use liquidUse liquid
22-32 lbs1 tsp (5ml)1 tabletUse liquid or chews
33-42 lbs1 1/2 tsp (7.5ml)1 1/2 tabletUse liquid or chews
43-53 lbs2 tsp (10ml)2 tablets1 tablet
54-64 lbs2 1/2 tsp (12.5ml)2 1/2 tablets
65-75 lbs
3 tsp (15ml)3 tablets
76-86 lbs3 1/2 tsp (17.5ml)3 1/2 tablets
>86 lbs4 tsp (20ml)4 tablets2 tablets