Benadryl for Itching in a Dog

Your dog is itchy and scratching, so you think that perhaps using Benadryl would help your dog's condition. Benadryl can relieve a number of symptoms, but you should always consult with your veterinarian before giving Benadryl to your dog.

  1. Function

    • Benadryl is a type of antihistamine that is used for allergic reactions in humans. Benadryl can be used in dogs for various allergy symptoms.

    Types

    • Benadryl can be used to treat itching, insect bites and stings and allergic reactions to vaccinations and other substances.

    Size

    • According to Nelson Animal Hospital, the recommended dosage is 1 mg of Benadryl per pound of body weight two to three times a day.

    Side Effects

    • Benadryl can cause drowsiness, hyperactivity, stomach upset, diarrhea and vomiting as side effects.

    Warning

    • Benadryl can interfere with certain medications, so consult your veterinarian if your dog is on any medications. Benadryl should not be given to dogs with certain medical conditions including hyperthyroidism, enlarged prostate, heart or lung problems or glaucoma.