Learn about Benadryl for dogs, including how much you can give your dog and if it's safe, with expert insights from a veterinarian.
Benadryl is one medication in our drug cabinet that can be given to dogs, but its imperative to know how, why, and how much of this medication can be given, or it can cause more problems than it solves.

lways consult your veterinarian before giving your dog Benadryl, especially for a first-time use, a dog with existing health conditions, or a dog taking other medications.

Benadryl can help relieve allergy symptoms in dogs, but always consult your vet first. Use only plain diphenhydramine and avoid formulas with decongestants or alcohol.

lthough its unlikely your dog will experience adverse effects from Benadryl, its important to be aware that they are a possibility. Since there are over-the-counter alternatives, if your dogs symptoms are relatively mild, you may be better off skipping Benadryl altogether.