What Are the Food Allergies in Dogs?

Food Allergies vs. Seasonal Allergies in Dogs - Princess Animal Hospital

Food allergies are a growing concern among pet owners, particularly those with dogs. It can be difficult to determine which food items are causing an allergic reaction in your pup, and it is important to take the necessary steps to ensure their safety and comfort. 

In this blog post, we will explore the different food allergies affecting dogs and how to identify them. We will also discuss the best methods for relieving the symptoms associated with these allergies.  

What is Food Allergy in Dogs?

The immune system of the body reacts abnormally to a protein found in foods due to a food allergy. Eggs, wheat, and meat products are some of the most common foods that cause food allergies in dogs. Signs of a food allergy may include:

  • Difficulty breathing
  • Abdominal pain
  • Anaphylaxis in severe cases. 

If you suspect your dog may have a food allergy, it is important to act as soon as possible. A food allergy test can help determine which proteins your dog is allergic to and how to manage their condition best. With proper diagnosis and treatment, dog food allergies can be managed effectively to keep your pup happy and healthy.

Common Food Allergens for Dogs

Dogs can suffer from food allergies, which involve an immune response to a certain ingredient in their diet, like proteins. These proteins can cause an immune response, resulting in symptoms such as vomiting, diarrhea, or dermatologic signs and infections. 

Food allergies are not the same as food sensitivities, which do not involve an immune response and instead occur as a gradual reaction to an offending ingredient. 

While food sensitivities may produce similar symptoms to a food allergy, the treatment process is different. Usually, it involves eliminating the suspected ingredient from your dog’s diet for several weeks before slowly introducing it back into their food.

How to know if your dog has a food allergy?

Food allergies in dogs are more common than you may think. Many pet owners don’t even realize their pet has a food allergy until they show symptoms. The most common signs of a food allergy in dogs are:

  • Itchy skin 
  • Ear infections
  • Vomiting
  • Diarrhea 

By noticing all these common symptoms, you will know it is a good time to go to your vet or mot. The vet can examine your pet and help you determine if they have a food allergy. 

Additionally, the vet can suggest an elimination diet that helps identify the specific food allergens causing your pet’s symptoms. By following an elimination diet and working with your veterinarian, you can pinpoint and avoid the foods causing your pet’s allergy.

Symptoms of a Food Allergy in Dogs

Food allergies in dogs can cause various symptoms, ranging from mild to severe. Sometimes, a dog may develop an immediate reaction within minutes of eating the allergen. More often, however, the signs of a food allergy appear several hours or even days after consumption. The symptoms of food allergies in dogs include:

  • Itchy skin and frequent scratching
  • Swelling of the face, ears, eyes, lips, or paws
  • Hives or red bumps on the skin
  • Chronic ear infections 
  • Vomiting or diarrhea 
  • Chronic or recurrent urinary tract infections 
  • Recurrent skin infections 

If you suspect your dog may have a food allergy, it’s important to consult with your veterinarian. An accurate diagnosis is essential to determine the best treatment course for your pet.

Food Allergy Triggers in your dog

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A variety of different triggers can cause food allergies in dogs. The most common food allergens for dogs are proteins found in:

  • Beef
  • Chicken
  • Fish 
  • Eggs
  • dairy products.

Dogs can also develop allergies to grains such as:

  • Corn
  • Wheat
  • soy 

Sometimes, an allergy can be triggered by an ingredient not normally considered an allergen, such as preservatives or food coloring.

Regarding food allergies in dogs, the cause can often be hard to pinpoint. This is because many different ingredients can trigger an allergic reaction in a dog, and it’s not always clear which one is the cause. So keep noticing your puppy is important. 

Best Way to Deal With a Food Allergy in Your Dog

  • Identify the Source

The first step in dealing with dog food allergies is to identify the source of the allergy. It is important to identify any potential triggers and avoid those foods that cause your dog to have an allergic reaction. To do this, try an elimination diet. This involves feeding your pet a limited selection of foods unlikely to trigger an allergic reaction.

  • Provide Allergemce Free Diet

Once you have identified the food allergens for your dog, it is important to provide him with a diet that does not contain those allergens. Your veterinarian can help you create a diet plan tailored to your dog’s needs. Be sure to read labels on food products carefully and check for any ingredients that may trigger an allergic reaction in your pet.

  • Prevent the dog from potential allergens

Keeping your dog away from potential environmental allergens, such as plants or pollen, is also important. When taking your pet outside, you may need to take extra precautions.

  • Contact Your Veterinarian

If your dog shows signs of a food allergy, it is important to contact your veterinarian to discuss the best way to diagnose and treat it. Your vet may suggest doing an elimination diet or performing a blood test to determine which food allergen is causing the reaction in your pet. Additionally, your vet may recommend certain supplements or medications to help manage your pet’s symptoms. 

  • Proper Medication

In some cases, medication may be prescribed to help control the symptoms of a food allergy. If your veterinarian prescribes medication for your pet, follow the instructions closely.

  • Seek Medical Attention

If your pet experiences a severe allergic reaction, seek medical attention immediately. Your veterinarian may recommend other treatments, such as immunotherapy or allergy shots.


Overall, suppose you suspect your dog has a food allergy. In that case, it is important to consult with your veterinarian as soon as possible to get a proper diagnosis and create a treatment plan. Your pup can live a healthy and happy life with the right care and nutrition.


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Luke Grayson
By Luke Grayson

I'm Luke Grayson co founder of The Dogs Wiki and dog lover person. Plays the role of content writing and keyword selection with proper research.

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