Is There a Benadryl for Dogs and Is It Safe to Give My Pet?

If you’ve ever wondered if it’s safe to give your pet Benadryl, here’s the answer to your question! Yes! It is safe to give your dog over-the-counter Benadryl. The active ingredient in Benadryl is diphenhydramine and it is safe for your dog to ingest, unlike some antihistamine, sinus, and/or cold medications which aren’t.

The purpose of this particular medication is to help relieve allergy symptoms, allergic reactions, such as reactions associated with bites, motion sickness, anxiety and other such reasons. Just like it does for you, this medicine can also help your pet to have a more stress-free and relaxed lifestyle. Continue reading if you’ve ever wondered is there a Benadryl for Dogs and is it safe to give my pet because we have answers for you.

An important tip to remember anytime your pets are on a new medication is to watch them closely for adverse reactions. As far as giving your dog Benadryl, if you are unsure about its safety and/or your dog’s possible conflicting condition(s), contact your veterinarian before administering.

What Can It Be Used For?

As mentioned before, the active ingredient in Benadryl is an antihistamine which helps to reduce specific symptoms such as runny motion sickness, allergic reactions, itching, watery eyes, sneezing, skin rashes, runny noses, and other such symptoms. It works by lowering histamines found in your dog’s body. Benadryl is recommended for dogs for a number of reasons, such as for the treatment of allergies and the common cold, targeting a wide rage of symptoms.

It will also likely induce sleep, giving your dog some much needed relief at night. It may be used to help reduce anxiety and its symptoms. It can be administered if your dog has been bitten or stung by something that’s caused an allergic reaction. If your dog suffers from motion sickness and/or anxiety associated with riding in a car or airplane or needs a sedative for any reason, Bendadryl can help in these situations as well. There are other purposes as well; this medication is really kind of “cure all” that can be used for a variety of symptoms and conditions.


Generally, the standard Benadryl dosage for dogs is 1 mg of the active ingredient per pound of weight. Doses can be give two to three times a day as needed. Over-the-counter Benadryl medication generally contains 25 mg of the active ingredient per tablet, which is adequate for a twenty-five pound dog. Be sure to double check the dosage, however, before administering to your pet. Furthermore, also check to make sure the Benadryl you are giving your dog doesn’t have any medicinal additives such as Tylenol.

Possible Side Effects

As with any medication, there is a possibility of Benadryl causing side effects. Be sure to check with your veterinarian or local clinic before administering it to your pet. This medications is considered to be a mild to moderate antihistamine. However, if you feel like your dog is having an acute reaction, such as difficulty breathing and facial swelling, forgo the medication, and get to the vet immediately! In addition, some conditions require stronger dosages or a combination of medications in order to treat potential underlying problems, so if the Benadryl doesn’t seem to be working, contact your dog’s vet.

When NOT to Use Benadryl

Even though it seems Benadryl is good for most conditions, there are some that may worsen should the dog happen to ingest the medication. If your dog has a specific condition, such as cardiovascular disease, high blood pressure, or glaucoma, be sure to consult with your dog’s vet before giving him Benadryl or any other medication.

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