Best Allergy Medicine For Dogs (Over The Counter And Prescription): Are Benadryl, Zyrtec & Claritin Safe For Dogs?

Vet giving pill to dog (caption: Best Allergy Medicine For Dogs)Whether your dog is suffering from digestive issues or skin problems, allergies can wreak havoc on a dog’s body. How can you relieve your dog’s suffering? You’re likely wondering, what can I give my dog for allergies? Our experts tell you all of the safe medications, supplements, and other products that can help your pup.

Article Overview

Prescription Medications

Some of the best allergy meds for dogs are available only by prescription from your veterinarian. These allergy meds are immunosuppressants, which work directly on your dog’s immune system to suppress an allergic reaction.

Nonsteriodal Immunosuppressants

ApoquelNonsteroidal immunosuppressants relieve allergies without the negative side effects of steroids. The dog allergy medicine Apoquel (oclacitinib) is highly effective against airborne allergens and food and flea allergies. It begins to relieve itching and inflammation within four hours, and its effects can last up to 24 hours. Learn more about Apoquel for dogs.

Atopica (cyclosporine) is another nonsteriodal immunosuppressant, which is most commonly prescribed for airborne allergies. Both Apoquel and Atopica are suitable for both short and long-term treatment.

Corticosteroids

Temaril-PSteroids help control allergy symptoms by reducing inflammation. But because they have significant negative side effects, they’re best for short-term treatment. The most common oral steroids prescribed for dog allergies are prednisone and Temaril-P (trimeprazine with prednisolone).

Some veterinarians use longer-acting steroid injections such as Vetalog, but side effects can be harsher with injections rather than steroid pills. Long-term side effects from steroids can include increased urinary tract infections (UTIs), susceptibility to bacterial and fungal infections, obesity, muscle weakness, and more.

What’s The Best Antihistamine For Dogs?

Benadryl boxSeveral over-the-counter (OTC) human antihistamines can work to help relieve dog allergy symptoms, but we recommend that you consult with your veterinarian before administering any of these medications.

Benadryl (diphenhydramine) is the most popular antihistamine for humans and can be effective for dogs as well. Just be aware that Benadryl has sedative properties, so your dog could get very drowsy. Other safe antihistamines for dogs include Claritin (loratadine) and Zyrtec (cetirizine). They produce less sedation than Benadryl does but could still make your dog drowsy.

Warning: Make sure your OTC allergy medicine only contains antihistamine. Some may contain other ingredients, such as decongestants, which aren’t safe for dogs.

Dosing For Dogs

  • Benadryl: 1 milligram/pound of body weight, given twice daily
  • Claritin: approximately 0.1 to 0.5 milligram/pound of body weight, given once to twice daily
  • Zyrtec: approximately 0.5 mg/pound of body weight, given once to twice daily

Other Over-The-Counter Allergy Relief For Dogs

If you’re wary of giving your dog pharmaceutical drugs, you’re in luck. There are a lot of safe and effective products on the market these days that can help ease your dog’s allergy symptoms. They come in several forms, from dietary supplements and food toppers to shampoo and topical sprays and balms.

Talk to your veterinarian before using these products, especially the medicated shampoos, to help relieve your dog’s allergies. You’ll want to be sure that the products will not interfere with any other medication that your dog may be taking.

Dietary Supplements

Pet Honesty Allergy SupportPet Honesty has several excellent, all-natural daily supplements for dog allergies, including Allergy Control soft chews, Allergy SkinHealth food topper, and Anti-Scratch Salmon Oil. Another highly-rated option is Zesty Paws Aller-Immunity Bites. These grain-free soft chews contain immune-boosting ingredients, a five-strain probiotic, apple cider vinegar, salmon oil, and colostrum.

See Our Full Review Of PetHonesty

Probiotics

Nusentia Probiotic MiracleGiving your dog a daily probiotic can help ease such allergy symptoms as digestive problems and itching and scratching. We recommend Nusentia Probiotic Miracle, which contains six different probiotic strains and a prebiotic to combat diarrhea, loose stool, yeast overgrowth, bad breath, constipation, itching & scratching, allergies, and digestive issues.

See Our Reviews Of The Best Probiotics For Dogs

Topicals

BEXLEY LABS Curaseb medicated sprayBEXLEY LABS Curaseb medicated spray for dogs and cats can relieve itchy and inflamed skin due to allergies, hot spots, skin infections, and more. It contains chlorhexidine, ketoconazole, aloe vera, and vitamin E. It’s non-toxic and gets great reviews from pet parents.

If you prefer a balm rather than spray, the Natural Dog Company has an excellent all-natural Skin Soother balm that helps treat itchy and inflamed skin, rashes, hot spots, bacterial skin infections, cuts, burns, surgical wounds, mange, and more. This organic and vegan balm contains soothing and healing ingredients like lavender, chamomile, frankincense, cocoa butter, and vitamin E.

Shampoo

PetHonesty Chlorhexidine Itch-Relief ShampooPetHonesty has a fantastic Allergy Itch Relief Shampoo that contains chlorhexidine and ketoconazole to ease skin itching and improve skin inflammation, rashes, hot spots, skin infections, and wounds. Another effective option is Vet’s Best Allergy Itch Relief Dog Shampoo, a veterinarian-formulated blend of essential oils and key natural ingredients (oatmeal, D-limonene, and tea tree oil) to calm down and moisturize itchy red skin.

How Do I Know What’s Causing My Dog’s Allergies?

Dog allergy test (caption: Best At-Home Dog Allergy Test Kits)Consulting with your vet is the best way to determine what your dog is allergic to. But you can also do an at-home dog allergy test to discover if your dog has any insensitivities to many food ingredients and environmental allergens.

If you use an at-home allergy test, discuss the results with your vet so they can confirm the results and recommend the most appropriate allergy treatment for your dog.

Allergy Symptoms

The signs of dog allergies typically involve skin and digestive issues. Symptoms depend on the allergen that’s causing the allergy and the severity of the reaction. But here are some signs to look out for:

  • Excessive itching
  • Constant licking
  • Biting or gnawing at the skin
  • Red, inflamed skin
  • Hives or rashes
  • Swelling of the face, ears, lips, eyelids, or earflap
  • Diarrhea
  • Vomiting
  • Sneezing
  • Itchy ears
  • Chronic ear infections
  • Itchy, runny eyes

Learn More About Dog Allergy Symptoms And Causes

Frequently Asked Questions About Dog Allergy Meds

Here are some of the common questions we get from our readers about dog allergy meds. Don’t see your question here? Ask us in our comment section, and we’ll try to help you out.

You should always check with your vet before administering any medication to ensure it’s safe for your dog. Each dog is different, and dosage amounts vary based on the dog’s size and needs.

Can I Give My Dog A Decongestant?

Experts warn against a decongestant for dogs. Like pseudoephedrine and phenylephrine, decongestants can be life-threatening for dogs and can cause vomiting, severe blood pressure changes, abnormal heart rates and rhythms, tremors, and seizures.

Seek veterinary care immediately if your dog accidentally ingests any kind of decongestant (they’re commonly found in human cold and flu OTC medications, particularly ones with a “-D” at the end of the name.)

Can Dogs Take Claritin?

Yes, Claritin can be safe and effective for dogs. Vets recommend that you give your dog approximately 0.1 to 0.5 milligram/pound of body weight once to twice daily. However, check with your vet before administering any medication to ensure it’s safe for your dog.

Can Dogs Take Zyrtec?

Yes, Zyrtec can be a safe and effective antihistamine for pups. Vets recommend approximately 0.5 mg per pound of body weight, given once to twice daily.

Zyrtec vs Claritin for dogs – wondering which is better? Like with humans, it depends on the individual. You can speak with your vet about trying both individually to see which seems to work better for your pup.

Home Remedies For Dog Allergies

Check out this three-minute video to see some cheap and easy home remedies that may help ease your dog’s allergy symptoms.

Pet Insurance Can Help Pay Vet Bills

Dogs can develop so many chronic problems over their lifetimes, as well as unforeseen accidents and illnesses. But if you get pet insurance early in your dog’s life (before a condition is considered pre-existing), health issues that arise in the future (like chronic allergies) could be covered for vet visits and prescription medications. See our reviews of the best pet insurance companies to learn more.

What medication or supplement has helped your dog’s allergies?


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