Your dog will not stop scratching. Their ears flare up again and again. Or their stools stay loose for weeks — no matter what you try. You have been to the vet, nothing serious showed up, but something clearly is not right.
In many of these cases, the culprit is not a disease. It is the food. Food allergies in dogs are more common than most owners realise — and switching to a hypoallergenic diet is often the simplest and most effective first step you can take.
This article explains what hypoallergenic dog food actually is, how to tell whether your dog needs it, and which recipe is the right fit for their situation.
What is a food allergy in dogs?
A food allergy develops when your dog's immune system identifies a protein in their food as a threat — most commonly chicken, beef, or wheat. The reaction typically shows up in the skin, the digestive system, or both.
It helps to distinguish two things that often get confused:
- Food allergy: an immune response to a specific ingredient — even tiny amounts trigger a reaction.
- Food intolerance: a digestive issue without immune involvement, such as difficulty processing high-fat meals.
Both can produce similar symptoms, but they call for different approaches. The most common dietary allergens in dogs are chicken, beef, wheat, soy, dairy, and eggs — exactly the proteins found in most standard dog foods.
How do you spot a food allergy in your dog?
The most telling signs are persistent itching, recurring ear infections, and unreliable digestion — symptoms that keep coming back and do not respond well to standard treatment alone.
Does your dog show two or more of these?
- Ongoing itching around the paws, ears, belly, or groin
- Recurring ear infections (more than twice a year)
- Skin rashes, redness, or flaky patches
- Excessive paw licking
- Loose stools, diarrhoea, or irregular digestion
- Frequent bloating or a visibly distended belly
- Dull, dry, or rough coat
The two can look almost identical. A food allergy tends to be year-round; an environmental allergy (grass pollen, dust mites) follows the seasons. If you are unsure, a vet visit is the right next step.
How does hypoallergenic dog food work?
Hypoallergenic dog food replaces known allergens with ingredients your dog has never encountered. There are three main approaches: a novel protein, a limited ingredient list, or a grain-free recipe.
Novel protein — the most direct approach for protein-driven allergies. You switch to a meat source your dog has never eaten before — venison, lamb, or salmon — so there is less chance of an existing sensitised response.
Limited ingredient — one protein, one carbohydrate. Fewer ingredients means fewer potential triggers and makes it easier to see what works.
Grain-free — removes wheat, maize, and other cereal grains. This helps dogs with grain sensitivities, but it is not automatically hypoallergenic: a dog that reacts to chicken will still react to grain-free chicken food.
🌿 Which recipe fits your dog?
Follow the steps based on your dog's situation.
Omega-3 from salmon supports the skin from within. Grain-free, novel protein for most dogs.
View productMild lamb protein, grain-free, single protein source. A strong first step for tummy trouble.
View productVenison is a truly novel protein for most dogs — minimal prior exposure, less chance of a primed immune response.
View product100% plant-based — removes all animal proteins completely. The most thorough option for broad sensitivity.
View product
How to make the switch
Use a seven-day transition to reduce digestive upset. During this period, do not add other snacks or table scraps — any extra protein source disrupts the elimination process.
📅 Transition schedule
| Day | Previous food | New food |
|---|---|---|
| Days 1–2 | 75% | 25% |
| Days 3–4 | 50% | 50% |
| Days 5–6 | 25% | 75% |
| Day 7+ | — | 100% |
An elimination diet of at least 8 weeks is considered the gold standard for diagnosing adverse food reactions in dogs.
Skin symptoms typically take 6 to 8 weeks on the new food to improve. Visible coat improvement can take up to 12 weeks. Keep a simple log so you can judge fairly after eight weeks.
Our hypoallergenic range
All recipes below use a novel protein source, are grain-free, and contain no chicken or beef.
Venison & Potato
Grain-free venison. Ideal if your dog has eaten chicken, beef, or lamb before.
View productLamb & Potato
Mild, grain-free, limited ingredient list. A common starting point.
View productExplore our hypoallergenic range
All recipes with a novel protein — grain-free, without chicken or beef. See the full overview.
View hypoallergenic dog foodFrequently asked questions
Is grain-free dog food the same as hypoallergenic?+−
How long before I see results?+−
Which hypoallergenic food is the best starting point?+−
Do I need to see a vet first?+−
Questions about which recipe fits your dog? Email support@balloxx.com — we are happy to help.
Sources:
- Verlinden et al. (2006) — Food hypersensitivity of unknown origin in companion animals. Critical Reviews in Food Science and Nutrition.
- Olivry et al. (2015) — Diagnosis of canine atopic dermatitis: systematic review. Veterinary Dermatology.
- Zur et al. (2002) — Canine atopic dermatitis and adverse food reactions. Journal of Small Animal Practice.