Noble Kenrick
Noble Kenrick voted up PJ Stein's answer

The dosage of Benadryl for dogs is 1 mg. Per pound. The tablets are 25 mg. So one tablet would be about 3 times what your dog would need. Did your vet test your dog for a low thyroid? Anxiety is often a sign of hypothyroidism or thyroiditis. Anxiety is what clued me in to … Read more