Benadryl Dosage Chart for Dogs



Always consider a professional before giving your dog Benadryl. You can use this table as an instrument to see how much Benadryl (Diphenhydramine) you can give your dog. You should administer this dosage every 8 hours/3 times a day.

Dog Weight Regular Dosage Maximum Dosage
8 lb 8 mg 16 mg
10 lb 10 mg 20 mg
12 lb 12 mg 24 mg
14 lb 14 mg 28 mg
16 lb 16 mg 32 mg
18 lb 18 mg 36 mg
20 lb 20 mg 40 mg
22 lb 22 mg 44 mg
24 lb 24 mg 48 mg
26 lb 26 mg 52 mg
28 lb 28 mg 56 mg
30 lb 30 mg 60 mg
32 lb 32 mg 64 mg
34 lb 34 mg 68 mg
36 lb 36 mg 72 mg
38 lb 38 mg 76 mg
40 lb 40 mg 80 mg
42 lb 42 mg 84 mg
44 lb 44 mg 88 mg
46 lb 46 mg 92 mg
48 lb 48 mg 96 mg
50 lb 50 mg 100 mg
52 lb 52 mg 104 mg
54 lb 54 mg 108 mg
56 lb 56 mg 112 mg
58 lb 58 mg 116 mg
60 lb 60 mg 120 mg
62 lb 62 mg 124 mg
64 lb 64 mg 128 mg
66 lb 66 mg 132 mg
68 lb 68 mg 136 mg
70 lb 70 mg 140 mg
72 lb 72 mg 144 mg
74 lb 74 mg 148 mg
76 lb 76 mg 152 mg
78 lb 78 mg 156 mg
80 lb 80 mg 160 mg
82 lb 82 mg 164 mg
84 lb 84 mg 168 mg
86 lb 86 mg 172 mg
88 lb 88 mg 176 mg
90 lb 90 mg 180 mg

 

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