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 for ...

Talk to your vet before giving your dog any over-the-counter medicine like Benadryl. To treat dog allergies, travel jitters, dry mouth, high blood pressure, or motion sickness in dogs, veterinarians ...