Benadryl, the brand name of the generic antihistamine diphenhydramine, is not labeled for use in dogs but has remained ...

Benadryl is a human medication that can be used in dogs to relieve allergy symptoms. But you have to be sure you're giving the right dose for your dog's size. (Photo Credit: E+/Getty Images ...

Benadryl, the brand name of the generic antihistamine diphenhydramine, is not labeled for use in dogs but has remained a popular choice among veterinarians, dog groomers, and dog-owning families ...