Food allergy in dogs: Symptoms and the right food

Does your dog scratch constantly, have dull fur, or suffer from digestive problems? These could be signs of a food allergy that is seriously affecting your pet's well-being. Scientific reviews describe typical symptoms such as itching, skin irritation, recurrent ear infections, and digestive problems (Mueller et al., 2016).

Many conventional foods contain fillers, artificial additives, or hard-to-digest proteins that can trigger reactions in sensitive dogs. Allergies are usually directed against protein components of certain foods, often beef or chicken. Intolerances, on the other hand, can also be caused by other components such as additives or preservatives.

But don't worry, you're not alone. Although a food allergy cannot be cured, you can manage your dog's symptoms with the right knowledge and an adapted diet. In this guide, we'll show you how to recognize the signs of an allergy, what the causes are, and why a natural, high-quality diet – such as HelloBello's fresh food – can be the best solution for your sensitive four-legged friend.

A food allergy is an overreaction of the immune system to certain ingredients in food. Your dog identifies a harmless component – usually a protein – as dangerous and starts an immune response. The result is unpleasant symptoms such as itching or gastrointestinal problems.

Difference from food intolerance

• Allergy: An immunological reaction that develops only after repeated exposure.
  

• Intolerance: A non-immunological reaction of the digestive system that usually occurs immediately.

The signs of a food allergy can vary widely: Some dogs develop symptoms slowly over weeks, while in others they appear seemingly out of nowhere. However, certain patterns are typical and are observed repeatedly.

If your dog shows one or more of the following symptoms, it may indicate a food allergy or intolerance:

1. Severe itching

This is the most common sign. Many dogs scratch, lick, or bite themselves more often – especially their paws, ears, belly, armpits, or face. The itching can be constant or occur in bouts.

2. Skin and coat problems

Reddened skin areas, rashes, weeping hot spots, or scaly skin are typical accompanying symptoms. Dull fur or hair loss can also indicate an allergic reaction.

3. Recurrent ear infections

Frequent head shaking, scratching at the ear, and an unpleasant odor can be signs of inflammation. Chronic or recurrent ear infections are often associated with food allergies.

4. Digestive problems

Not all dogs react with skin issues – some may show gastrointestinal problems instead. These include bloating, diarrhea, vomiting, or noticeably loud bowel sounds, especially after eating.

5. Loss of appetite and lethargy

If your dog feels unwell, they may eat less or appear tired and listless. These signs often occur in addition to skin or digestive problems.

The exact causes of a food allergy are often difficult to determine. Every dog is an individual. However, common triggers are:

• Certain protein sources: The most common allergy triggers are proteins that dogs are often exposed to. These include beef, chicken, dairy products, and wheat.

• Artificial additives: Preservatives, colorings, or flavorings in conventional food can irritate the immune system and cause reactions.

• Low-quality ingredients: Poorly processed proteins or low-quality fillers can strain the digestive tract and promote allergies.

• Food mites: Food mites can nest in dry food, and their excrement can also trigger allergic reactions.

If you suspect a food allergy, the first and most important step is to visit the veterinarian. They can rule out other causes such as parasites or infections. The safest method to diagnose a food allergy is the elimination diet, as also recommended by experts (Purina Institute, n.d.; BMC Veterinary Research, 2022).

How an elimination diet works:

1. Your dog receives food with only a single protein source that is ideally new to them (e.g., venison, pork, for example, our recipe "Ringeltanz") and a carbohydrate source for a period of 8–12 weeks. During this time, treats or chew items are off-limits.

2. If symptoms improve significantly during this time, a food allergy is likely.

3. This is followed by the provocation test: You feed the old food again. If symptoms reappear, the diagnosis is confirmed (BMC Veterinary Research, 2022).

4. Now you can gradually add individual protein sources to identify the exact trigger.

This process requires patience and consistency, but it is the best way to help your dog in the long term.

Once the trigger is known, it must be consistently removed from your dog's diet. This is where hypoallergenic dog food comes in. It is designed to contain as few allergy-triggering substances as possible and often uses only a single protein source.

Studies show that a clear declaration of ingredients – as with quality providers – is particularly crucial for dogs with allergies (BMC Veterinary Research, 2022).

This is exactly where HelloBello Fresh Foodr offers the ideal solution for sensitive dogs.

Why HelloBello is the best choice for food allergies:

• Transparent recipes with single protein: Each of our varieties contains only a single animal protein source (beef, chicken, or pork). So you always know exactly what ends up in the bowl and can specifically avoid allergens (BMC Veterinary Research, 2022).

• No artificial additives: We completely avoid artificial preservatives, flavor enhancers, or colorings, which frequently trigger allergies.

• Gentle preparation: Gentle cooking makes the food highly digestible while preserving valuable nutrients. Cooked meat is often better tolerated by dogs with allergies than raw meat (BMC Veterinary Research, 2022).

• Grain-free options: Our recipes with potatoes are ideal for dogs that react sensitively to grain. For dogs that tolerate grain, we offer easily digestible alternatives with rice or millet.

• Individual food plan: In our food configurator, you can specify your dog's allergies. The system then automatically suggests only the suitable recipes – for a safe and healthy diet.

A food allergy is a challenge, but with the right strategy you can enable your dog to have a happy and symptom-free life. A careful diagnosis by the veterinarian, a consistent change in diet and high-quality, transparent food are the keys to success.

With HelloBello you not only give your allergic dog a tasty meal, but also give back a piece of quality of life. Our fresh, needs-based recipes are the most loving way to address the special needs of your four-legged friend.

Sources:

BMC Veterinary Research. (2022).
Food allergies in dogs and diagnostic approaches. BMC Veterinary Research. https://bmcvetres.biomedcentral.com/

Purina Institute. (n.d.).
Elimination diet for dogs: How to identify food allergies. Purina Institute. https://www.purinainstitute.com/