FAQ: Allergies in Dogs + Allergies in Cats

Key Takeaways

• Pets can have allergies, too. Both dogs and cats commonly experience allergies that affect their skin, ears, digestion, and overall comfort, often going unnoticed at first.
• Dogs most often show allergies through itching and skin issues. Excessive scratching, licking, ear infections, hair loss, and skin changes are common signs that warrant a veterinary visit.
• Fleas are the most common allergy trigger in dogs. Even a single flea bite can cause intense itching in sensitive pets, making consistent flea control essential.
• Prescription medications can provide effective relief. Vet-prescribed options like Apoquel and Atopica target the underlying immune response and help manage chronic or seasonal allergies.
• Cats also suffer from allergies with different signs. Sneezing, coughing, vomiting, paw chewing, hair loss, and skin lesions may indicate allergic dermatitis that benefits from veterinary treatment.

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Can our pets have allergies, too? Good question, pet lovers, and the answer is yes. Both allergies in dogs and allergies in cats can be common. So, the next time your pup starts shaking his adorable, floppy ears side-to-side, or your cat begins snoring like they’re sawing logs in Washington, stop and ask yourself -- is this a sign of allergies? Find answers to the most frequently asked questions about allergies in dogs and cats, below.

Allergies in Dogs

How can you tell if your dog has allergies?

Watch for signs like excessive licking, chewing, biting or scratching; foot chewing; hair loss; body odor; frequent rolling; changes in the skin (sores or darkened color); and recurrent ear problems (head shaking, scratching at ears, ear discharge). If your dog is suffering from any of the signs mentioned, it’s time to schedule a visit with your veterinarian. The symptoms could be more than a simple annoyance -- they could be linked to allergic conditions requiring veterinarian guidance and prescription allergy treatment.

What causes allergies in dogs?

While occasional itching is common in dogs, the allergies listed below can cause persistent, constant itching that can impact a pet’s quality of life.

• • Flea allergy
  • Food allergy
  • Environmental indoor and outdoor allergens (seasonal pollen, dust mites, mold)
  • Contact allergy (carpet shampoo, lawn chemicals, insecticides)

What is the most common allergy in dogs?

Fleas are the most common cause of allergies and dog itch. If your dog is sensitive to flea bites, it takes only one bite to set off the itch cycle, so before anything, check your pet to make sure you are not dealing with a flea problem. Learn more about flea and tick control to help protect your pet and offer him comfort.

What can I give my dog for allergies and itching?

Prescription allergy medicine for dogs uniquely targets the sources of their allergies. You can offer your furry friend relief through effective allergy prescription medications, such as Atopica, which is also available as generic Cyclosporine Capsules, and Apoquel, which can relieve your pet’s itch within as few as four hours. In addition to allergy medications, your pet will also appreciate a soothing bath with oatmeal shampoo for extra relief.

How long does it take for Atopica to work on dogs?

It may take weeks for maximum results to be achieved with Cyclosporine. For seasonal allergies, it may be recommended that you begin giving Atopica one to two months prior to the time that allergic reaction typically begins.

What are Cyclosporine side effects in dogs?

Side effects may include loss of appetite, vomiting and diarrhea. If you observe any of these side effects, contact your veterinarian as soon as possible.

How long does it take for Apoquel to work?

Apoquel starts relieving allergic dog itch within only four hours and controls it within 24 hours.

Can Apoquel be used long term?

Yes, Apoquel can be used long-term for maintenance therapy or for short-term therapy of allergies in dogs.

Allergies in Cats

Can cats have allergies?

Youbetcha, they can. Allergies in cats are common, just like with dogs (and humans, of course). Cat skin allergies can occur for a number of reasons, including: environmental triggers (pollen, grass, mold), chemical-based kitty litter, certain types of fabric and material, food and fleas. 

What are common signs of allergies in cats?

Cats with allergies will likely display one of several common signs, such as: sneezing, wheezing, vomiting, coughing, diarrhea, snoring, paw chewing, and swelling of their paws. Cats with allergic dermatitis also scratch, lick and chew their skin, which can cause red, raised bumps, open sores, as well as hair loss.

Can cat allergy medicine help with treatment?

Absolutely, allergy medicine for cats reduces itchy skin and lesions, providing cats with much-desired relief. Work with your veterinarian to discuss treatment options for allergies in cats, and ask specifically about Atopica for cats, which is easy to administer and available with quick delivery from our trusted pharmacy to your doorstep. 

What is Atopica for cats used for?

Atopica for cats is used for the control of feline atopic dermatitis (skin allergies) and self-induced alopecia.

What does Atopica do for cats?

Atopica contains cyclosporine, which suppresses the immune system. It is used to treat skin-related conditions by targeting the immune cells involved in the cat’s allergic reaction.

How long before Atopica works in cats?

It may take several weeks for maximum results to be achieved.

What are possible side effects of Atopica for cats?

Side effects may include loss of appetite, vomiting, diarrhea, weight loss, lethargy, behavioral disorders, sneezing or conjunctivitis. If you observe any of these side effects, contact your veterinarian.

You can trust the Valley Vet Supply Pharmacy will handle your pet’s prescription accurately and fast, as if it is a medication for our own family member. Continue learning, and read how allergies can affect your dog’s behavior.

Whether for horse, livestock, or pet, Valley Vet Supply is your one-stop shop for trusted care. Explore more of our pet category at ValleyVet.com