Signs Your Dog Might Have Allergies

8 Signs Your Dog Might Have Allergies and How To Handle It

Do you sometimes notice your dog scratching excessively, sneezing, or showing signs of skin irritation? Chances are, your furry friend might be suffering from allergies.

It’s important to identify the signs and take appropriate action to help your dog lead a comfortable life.

This article will discuss some common signs your dog might have allergies, the various types of allergies your dog might have, and what you can do to help alleviate their symptoms.

Types of Dog Allergies

What Can I Give My Dog for Allergies

There are four primary types of allergies in dogs:

Food Allergies

Food allergies occur when your dog’s immune system reacts to specific proteins in their diet.

Common food allergens for dogs include beef, dairy, chicken, and grains.

Environmental Allergies

Also known as atopy, environmental allergies are caused by allergens like pollen, mold spores, and dust mites in the air.

These allergies often cause seasonal symptoms.

Flea Allergies

Flea allergy dermatitis (FAD) is an allergic reaction to the saliva of fleas.

Even a single flea bite can cause severe itching and skin irritation in dogs with this allergy.

Contact Allergies

Contact allergies are triggered when your dog’s skin comes into contact with allergens, such as certain plants, chemicals, or fabrics.

8 Common Signs Your Dog Might Have Allergies

Itching and Scratching

One of the most noticeable signs of allergies in dogs is excessive itching and scratching.

If your dog is continuously scratching, it’s essential to identify the cause and provide relief.

Red, Watery Eyes

Allergies can cause inflammation in the eyes, leading to redness, watering, and discharge.


Just like humans, dogs can sneeze due to allergies. If your dog is sneezing frequently, it could be a sign of an allergic reaction.

Ear Infections

Allergies can lead to ear infections in dogs, causing pain, inflammation, and discharge.

Skin Issues

Skin issues such as rashes, hives, redness, and hot spots can be signs of allergies in dogs.

Paw Licking and Chewing

Dogs with allergies often lick and chew their paws due to itching and irritation.

This can lead to skin infections if left untreated.

Vomiting and Diarrhea

Food allergies can cause gastrointestinal issues, such as vomiting and diarrhea, in dogs.


Swelling of the face, ears, or paws can be a sign of an allergic reaction in dogs.

How to Help Your Dog with Allergies

What Can I Give My Dog for Allergies and Itching

Consult a Veterinarian

If you suspect your dog has allergies, consult your veterinarian.

They can help diagnose the cause and recommend appropriate treatments.

Diet Changes

For food allergies, your veterinarian may suggest an elimination diet to identify the offending allergen.

Once identified, you can switch to a hypoallergenic diet to avoid triggering the allergy.

Allergy Medications

Your veterinarian may prescribe medications to help manage your dog’s allergy symptoms, such as antihistamines, corticosteroids, or immunosuppressive drugs.

Environmental Management

For dogs with environmental allergies, minimizing exposure to allergens is crucial.

Regularly clean your home, use air purifiers, and bathe your dog to reduce allergen exposure.

Flea Prevention

Maintain a strict flea prevention regimen to avoid flea allergies.

Use flea control products and keep your dog’s living environment clean.

Key Takeaways

Signs Your Dog Might Have Allergies
How to Help Your Dog with Allergies

Recognizing the signs of allergies in your dog and seeking prompt veterinary advice can greatly improve your dog’s quality of life.

With the right treatment plan and management strategies, you can help your furry friend live comfortably despite their allergies.


  • Can dogs develop allergies at any age?

Yes, dogs can develop allergies at any age, although they are more commonly observed in dogs aged 1-3 years old.

  • Can my dog be allergic to more than one thing?

Yes, dogs can be allergic to multiple allergens, making it essential to identify and manage each allergy.

  • How long does it take for allergy symptoms to improve after treatment?

It depends on the treatment and the severity of the allergy. Some dogs may show improvement within days, while others may take weeks or months.

  • Can I use over-the-counter allergy medications for my dog?

Always consult your veterinarian before using any medication for your dog. Some human allergy medications may be harmful to dogs.

  • Are certain dog breeds more prone to allergies?

While any dog can develop allergies, some breeds are more susceptible, such as Golden Retrievers, Labrador Retrievers, and West Highland White Terriers.


Olivry, T., Mueller, R. S., & Prélaud, P. (2007). Critically appraised topic on adverse food reactions of companion animals (1): Duration of elimination diets. BMC Veterinary Research, 3(1), 11.

Marsella, R., Olivry, T., & Carlotti, D. N. (2001). Current evidence of skin barrier dysfunction in human and canine atopic dermatitis. Veterinary Dermatology, 12(4), 179-186.

Dryden, M. W., & Broce, A. (2001). Integrated flea control for the 21st century. Compendium on Continuing Education for the Practising Veterinarian, 23(9), 807-819.

Hillier, A., & Griffin, C. E. (2001). The ACVD task force on canine atopic dermatitis (I): incidence and prevalence. Veterinary Immunology and Immunopathology, 81(3-4), 147-151.

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If you’re looking for the most up-to-date recommendations, check out my recommended products section that I’ve created to help every dog owner!