Pet Allergy Treatment

Signs Your Pet Has Allergies

Allergies in dogs and cats often look different than they do in people. While humans sneeze and get watery eyes, pets typically show allergies through their skin. Common signs of pet allergies include excessive scratching or licking, red or irritated skin, recurring ear infections, hot spots, hair loss, and chewing at paws. Some pets may also experience digestive issues like vomiting or diarrhea, especially with food allergies.

If your pet is showing any of these symptoms, it's worth scheduling a visit. Our veterinarians can help determine whether allergies are the cause and recommend the right path forward.

Types of Pet Allergies

Pets can develop allergies to many different triggers. Environmental allergies (also called atopic dermatitis) are reactions to things like pollen, dust mites, mold, or grass. These allergies are often seasonal but can occur year-round. Flea allergy dermatitis is an intense reaction to flea saliva — even a single bite can trigger severe itching in sensitive pets. Food allergies develop when a pet's immune system reacts to a specific protein, commonly chicken, beef, dairy, or grains.

Pinpointing the exact cause of your pet's allergies helps us create the most effective treatment plan. We may recommend allergy testing, elimination diets, or other diagnostic approaches based on your pet's symptoms.

Allergy Shots and Immunotherapy for Pets

For pets with environmental allergies, allergy shots — also known as allergen-specific immunotherapy — can provide long-term relief. After identifying your pet's specific allergens through testing, we create a customized serum that gradually desensitizes their immune system. Over time, many pets see significant improvement in their symptoms.

Allergy shots for dogs and cats are given as injections at home or in our clinic, depending on what works best for you. While immunotherapy takes time to show full results (typically 6 to 12 months), it addresses the root cause of allergies rather than just masking symptoms. For pets who need faster relief, we also offer medications to manage itching and inflammation while immunotherapy takes effect.

How do I know if my dog or cat has allergies?

The most common sign of allergies in pets is itchy skin. If your dog or cat is scratching more than usual, licking their paws constantly, getting frequent ear infections, or developing red, irritated patches of skin, allergies could be the cause. A veterinary exam can help rule out other conditions and determine whether allergy testing or treatment is needed.

What is the best allergy medicine for dogs and cats?

The best treatment depends on what's causing your pet's allergies and how severe the symptoms are. Options include antihistamines, prescription medications like Apoquel or Cytopoint for dogs, medicated shampoos, and immunotherapy (allergy shots) for long-term management. Our veterinarians will recommend the most effective approach for your pet's specific situation.

How much do pet allergy shots cost?

The cost of pet allergy treatment varies based on the type of testing performed and the treatment plan recommended. Allergy testing and customized immunotherapy serums involve an initial investment, but many pet parents find long-term savings compared to ongoing symptom management. We'll discuss all costs with you upfront so you can make an informed decision.

How long does it take for allergy shots to work in pets?

Allergy immunotherapy is a gradual process. Most pets begin to show improvement within 3 to 6 months, with full results typically seen between 9 and 12 months. During this time, we may use additional medications to keep your pet comfortable. About 70-80% of pets see significant improvement with immunotherapy.

Can I give my dog Benadryl for allergies?

Benadryl (diphenhydramine) is generally safe for dogs in appropriate doses, but it's not always the most effective option for pet allergies. While it may help with mild symptoms, many dogs need stronger or more targeted treatments to find real relief. Before giving your dog any over-the-counter medication, it's best to consult with a veterinarian to ensure proper dosing and to discuss whether a more effective treatment might be available.

Are certain dog breeds more prone to allergies?

Yes, some breeds are genetically predisposed to allergies. Dogs commonly affected include Golden Retrievers, Labrador Retrievers, Bulldogs, German Shepherds, Boxers, Pit Bulls, Cocker Spaniels, and West Highland White Terriers. However, any dog can develop allergies regardless of breed. If you have a breed that's prone to skin issues, staying alert to early symptoms can help you get treatment started before things escalate.

What's the difference between food allergies and environmental allergies in pets?

Food allergies occur when your pet's immune system reacts to a specific ingredient — usually a protein like chicken, beef, or dairy. Symptoms are typically year-round and may include digestive issues alongside skin problems. Environmental allergies (atopic dermatitis) are reactions to airborne triggers like pollen, dust mites, or mold. These allergies are often seasonal, though indoor allergens can cause symptoms year-round. Treatment approaches differ, so proper diagnosis matters.

Can pets develop allergies later in life?

Absolutely. While many pets show allergy symptoms between ages 1 and 3, allergies can develop at any age. A dog or cat that never had issues before can suddenly become allergic to something in their environment or food. If your older pet starts showing signs of allergies for the first time, it's worth scheduling an exam to rule out other conditions and discuss treatment options.

How is pet allergy testing done?

There are two main types of allergy testing for pets. Intradermal skin testing involves injecting small amounts of common allergens under the skin and observing reactions — this is considered the gold standard and is often done by veterinary dermatologists. Blood testing (serology) measures antibodies to specific allergens and can be performed at most veterinary clinics. Both methods help identify your pet's specific triggers so we can create a targeted treatment plan.

Will my pet need allergy treatment forever?

It depends on the type and severity of the allergy. Environmental allergies are typically lifelong conditions that require ongoing management, though immunotherapy can significantly reduce symptoms and medication needs over time. Food allergies can often be managed long-term by simply avoiding the triggering ingredient. Flea allergies require consistent flea prevention but don't need additional treatment if fleas are kept at bay. We'll work with you to find a sustainable approach that keeps your pet comfortable.