A chunky brown tabby looking comfortable next to a bottle of Benadryl that quieted his itches.

Can Cats Take Benadryl? What You Need To Know

When our kitties are itchy or sneezy or showing signs of seasonal allergies or mild upper respiratory issues, it is common to wonder: Can cats take Benadryl? So let’s take a look at the use of Benadryl for cats, its safety, recommended dosage, known sensitivities, side effects, and explore other over-the-counter (OTC) medications and natural alternatives that are considered safe for cats.

What is Benadryl and What is it Usually Recommended For?

Benadryl, also known by its generic name diphenhydramine, is an antihistamine that’s commonly used to relieve symptoms of allergy, hay fever, and the common cold. These symptoms can include rash, itching, watery eyes, itchy eyes/nose/throat, cough, runny nose, and sneezing. In humans, Benadryl is widely recognized as a go-to over-the-counter remedy, but its use in cats is a subject that requires careful consideration.

Is Benadryl Generally Considered Safe for Cats?

Yes, Benadryl is generally considered safe for cats, but every cat is different and some conditions may make it unadvisable. Diphenhydramine should never be given to kittens under 6 mo old, pregnant cats, or senior cats. It should also not be given to cats with glaucoma, urinary tract disease, heart disease, hypothyroidism, asthma or hypertension. We love our cats and we want to help and not harm, so it is just prudent to consult your vet as they can provide specific advice tailored to your cat’s health status and medical history.

The Usual Recommended Dosage

The typical dosage recommended for cats is approximately 1 mg per pound of body weight, given 2-3 times a day. However, dosages can vary based on the individual cat’s needs and condition, so once again, check with the vet. Never exceed the recommended dosage without professional guidance.

Known Sensitivities and Side Effects

While Benadryl is safe for most cats, it can cause some side effects, including:

  • Sedation: Cats may become sleepy or drowsy.
  • Dry Mouth: Look out for signs of dehydration or increased thirst.
  • Depression: Some cats may appear less active or responsive.
  • Loss of Appetite: Monitor your cat’s eating habits.
  • Foaming at the Mouth: This reaction can occur due to the medication’s flavor.

If you observe any of these side effects or other unusual behaviors in your cat after administering Benadryl, contact your vet immediately.

Similar OTC Medications That Are Cat Safe

Other OTC antihistamines considered safe for cats include Chlorpheniramine (Chlortrimeton) and Cetirizine (Zyrtec). However, these medications should also only be used under a vet’s supervision to ensure they are appropriate for your cat’s specific health needs.

Natural Alternatives or Treatments

For cat owners interested in natural remedies, there are alternatives to consider, such as:

  • Omega-3 Fatty Acids: Supplements can help reduce inflammation and allergic reactions.
  • Quercetin: A natural antihistamine found in many fruits and vegetables.
  • Aloe Vera: Can soothe skin irritation but ensure it’s pet-safe and free from aloin.

Before trying any natural alternatives, it’s important to discuss them with your veterinarian to ensure they’re safe and suitable for your cat.

Conclusion

Benadryl can be a safe and effective option for cats experiencing allergic reactions or minor upper respiratory symptoms, provided it’s used under the guidance of a veterinarian. Always prioritize your cat’s safety by consulting with a professional before administering any medication, whether it’s OTC or natural. By staying informed and cautious, we can help our feline friends lead comfortable, healthy lives.

Remember, the health and safety of your pet should always come first. If you have any concerns or questions about your cat’s health or the use of Benadryl, don’t hesitate to reach out to your veterinarian for personalized advice and care.

Published by

Argenta Nola

Cat mom and blogger

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