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Dec 19, 2023


Diphenhydramine For Dogs

Diphenhydramine for Dogs

Always consult your veterinarian before starting any new medication regimen for your pet.

As a pet owner, you want your furry friend to have the best - including keeping them in optimum health. You may be familiar with diphenhydramine (commonly known as Benadryl), an over-the-counter medication used for allergies, colds, colic, and even motion sickness. But did you know it can also be used to treat certain ailments in dogs? 

In this article, we'll explore the benefits of using diphenhydramine for dogs, discuss when it's appropriate to use this medicine, and how using a prescription discount card like CareCard can make these medications more affordable. 

What is Diphenhydramine?

Diphenhydramine is an antihistamine primarily used to treat allergic reactions in dogs. This medication works by blocking histamine, a substance in the body that causes allergic symptoms. It is commonly used to alleviate itching, swelling, and other allergic reactions in dogs, making it a valuable tool in managing canine allergies.

How Diphenhydramine Benefits Dogs

Diphenhydramine is effective in treating a variety of conditions in dogs, including:

  • Allergic reactions to insect bites or stings

  • Environmental allergies (like pollen or dust)

  • Vaccine reactions

  • Motion sickness during travel

  • Anxiety-related symptoms

Dosage and Administration

The dosage of diphenhydramine for dogs depends on the dog's weight and the condition being treated. It's crucial to follow your veterinarian's guidance, as incorrect dosing can lead to ineffective treatment or potential side effects.

Potential Side Effects

While diphenhydramine is generally safe for dogs, side effects may occur, such as drowsiness, dry mouth, or urinary retention. In rare cases, dogs might experience more severe reactions. Always consult your veterinarian before starting treatment.

The Role of CareCard in Managing Pet Medication Costs

Understanding the importance of affordable pet medications, CareCard provides a FREE  prescription discount card that can significantly reduce the cost of medications like diphenhydramine. Accepted at over 60,000 pharmacies nationwide, CareCard ensures your pet's prescriptions are financially manageable.

Saving on Dog Prescriptions With CareCard

CareCard helps pet owners save on their dog’s prescriptions without compromising care. By comparing prices from various pharmacies, CareCard allows pet owners to find the most affordable options for their pet's medication needs.


Diphenhydramine is an essential medication for treating various conditions in dogs. Coupled with the savings provided by CareCard, it becomes a more accessible option for pet owners. Consult with a vet before administering any medication to ensure the safety and well-being of your pet.

Frequently Asked Questions (FAQs)

What conditions does diphenhydramine treat in dogs? It treats allergies, motion sickness, and anxiety-related symptoms in dogs.

Are there any side effects of diphenhydramine in dogs? Common side effects include drowsiness and dry mouth. Consult a veterinarian for advice.

How can CareCard help with the cost of diphenhydramine? CareCard's prescription discount card offers significant savings on medications like diphenhydramine at numerous pharmacies.

Is veterinary consultation necessary before giving diphenhydramine to a dog? Yes, consulting a veterinarian is crucial to ensure the medication is safe and appropriate for your pet.

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Pharmacy names, logos, brands, and other trademarks are the property of their respective owners. Prescription savings may vary by prescription and by pharmacy, and in some cases may be discounted up to 85% off cash price*. Please note, this is NOT insurance. CareCard offers you the opportunity to find prescription discount prices, which ultimately depend on the provider. You are fully responsible for paying for all health care services but will be entitled to receive a discount from those health care providers in accordance with the specific pre-negotiated discounted rates. CareCard Inc. is not sponsored by or affiliated with any of the pharmacies identified in its price comparisons. This information is not mean to be a substitute for professional medical advice, treatment, or diagnosis. For additional information, please reach our customer support at 1-866-410-1217, Mon- Friday 9am – 5pm Est or email us at By using the CareCard prescription discount card or service, you are agreeing to CareCard’s Terms of Service.

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