Pet Allergies 101: A Guide for Concerned Pet Parents

A common cause of this discomfort is pets is allergies. As a pet owner, it is essential to understand pet allergies, their causes, signs and symptoms, and preventive measures. If you're a concerned pet parent, this guide will help you understand your pet's health better.

Understanding Pet Allergies

Allergies are reactions caused by exposure to certain substances that your pet's immune system perceives as harmful, even though they might not be. These substances are known as allergens and can come from many sources such as fleas, foods, and the environment.

When a pet is exposed to an allergen, their body reacts by releasing substances that cause inflammation. This inflammation can result in symptoms such as itching, sneezing, and more. It's important to understand that while some pets may react to certain allergens, others may not. Each pet is unique, and so are their reactions to different allergens.

Some breeds seem to be more prone to allergies than others. For example, retrievers, terriers, and brachycephalic breeds like bulldogs and pugs tend to have more allergies.

Common Allergies in Pets

One of the most common is flea allergy dermatitis. This is an allergic reaction to flea saliva. If your pet is allergic to fleas, even a single bite can cause severe itching and discomfort.

Another common allergy in pets is food allergies. These can cause symptoms such as vomiting, diarrhea, and skin problems. The most common food allergens for pets are beef, dairy, wheat, and chicken. It's worth noting that food allergies can develop even if your pet has been eating the same food for years without any issues.

Lastly, there's environmental allergies. These can be caused by a variety of substances like dust mites, mold, pollen, and more. These allergies can cause a range of symptoms, from skin problems to respiratory issues.

Signs and Symptoms of Pet Allergies

The most common symptom is itching. If your pet is constantly scratching, licking, or chewing at their skin, they might have an allergy.

Other common symptoms include skin inflammation, redness, and sores. In severe cases, pets might lose hair in the affected areas.

Respiratory symptoms are also common, especially in cats. These can include sneezing, coughing, and wheezing. In some cases, pets might also have gastrointestinal symptoms like vomiting and diarrhea.

When to Consult a Veterinarian for Pet Allergies

It is essential to consult a veterinarian when you notice signs and symptoms of allergies in your pet. While mild symptoms can sometimes be managed at home, severe or persistent symptoms require professional help.

If your pet is excessively scratching or biting their skin, losing hair, or has sores or redness on their skin, it's time to consult a veterinarian. The same applies if your pet is showing respiratory symptoms or has gastrointestinal issues. Early diagnosis and treatment can prevent unnecessary discomfort and serious complications.

Preventive Measures for Pet Allergies

Preventing pet allergies boils down to avoiding allergens. For flea allergies, regular flea control is crucial. This includes using flea preventatives and regularly checking your pet for fleas.

For food allergies, feeding your pet a balanced, high-quality diet is key. If your pet has a food allergy, your vet may recommend a special diet or a food trial to identify the offending allergen.

For environmental allergies, regular cleaning of your pet's environment can help reduce exposure to allergens. This includes vacuuming regularly, washing your pet's bedding often, and using air filters to reduce airborne allergens.


Pet allergies can cause considerable discomfort for our furry friends. But with knowledge and preventive measures, we can help keep these allergies at bay.If you suspect your pet has an allergy, don't hesitate to consult a veterinarian.

For more information on pet allergies, reach out to our professionals at Community Pet Outreach at our Lewisville, Texas, office. Please call (972) 848-8930 to schedule an appointment today.

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