What is the best antihistamine for dogs?
Broderick Tremblay
2025-08-07 06:01:51
Count answers
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According to the American Kennel Club (AKC), you can give the antihistamine Benadryl (diphenhydramine) to your dog, but you should always check with your vet first. Benadryl can be used to treat dogs with: Hives Swelling Cough Sneezing Runny eyes or nose. Other antihistamines can also be given to dogs, based on their weight. These include the below antihistamines: Cetirizine 1 milligram per kilogram of body weight or 10 to 20 milligrams per dog, once or twice per day. Clemastine 0.1 milligrams per kilogram of body weight, two times per day. Chlorpheniramine Dogs under 20 kilograms 4 milligrams, three times per day Dogs over 20 kilograms 8 milligrams, three times per day. The safest dose is different for different antihistamines, so always check with your vet first. AKC says the dose for Benadryl is 2 to 4 milligrams per kilogram of body weight, two to three times per day.
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