Pet Health

Food Allergies in Dogs (Vet-Reviewed)

Discover essential insights about food allergies in dogs, including symptoms, diagnosis, and management tips from veterinary experts to keep your furry friend healthy!
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Gray dog sniffing at a bowl of dog food, highlighting potential food allergies in pets.

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Is your dog constantly itching, scratching, or experiencing digestive upset after meals? Food allergies in dogs can be a frustrating and confusing issue for pet owners, but understanding the signs and knowing how to address them can make a world of difference for your furry friend. Let's break it down and give you the tools to help your dog feel their best.

⚠️ What to Watch For

Food allergies in dogs can manifest in various ways, making them tricky to identify. Symptoms often overlap with other conditions like environmental allergies or intolerances, so it’s important to know what to look for.

  • Chronic itching, especially around the face, ears, paws, or underbelly
  • Red, inflamed skin or recurring skin infections
  • Frequent ear infections
  • Gastrointestinal issues like vomiting, diarrhea, or excessive flatulence
  • Licking or chewing paws excessively
  • Hair loss or hot spots

If you notice any of these signs, it’s worth exploring whether food allergies might be the culprit.

🔍 Possible Causes

Food allergies in dogs are typically caused by an overactive immune response to certain proteins in their diet. Common allergens include:

  • Beef
  • Chicken
  • Dairy products
  • Eggs
  • Wheat
  • Soy

It’s important to note that food allergies are different from food intolerances. Allergies involve the immune system, while intolerances are more about the digestive system struggling to process certain ingredients.

✅ What You Can Do at Home

While diagnosing food allergies requires a methodical approach, there are steps you can take at home to help your dog feel more comfortable and identify triggers.

  • Elimination Diet: This involves feeding your dog a novel protein (like duck or venison) and carbohydrate (like sweet potato) that they’ve never eaten before. Stick to this diet for 8–12 weeks and monitor symptoms.
  • Hydrolyzed Protein Diet: These specially formulated diets break proteins into tiny fragments that are less likely to trigger an allergic reaction.
  • Avoid Treats and Table Scraps: Even small amounts of an allergen can trigger symptoms, so ensure your dog isn’t sneaking any off-limits snacks.
  • Skin Care: Use vet-approved shampoos or soothing sprays to help relieve itching and inflammation while you work on the underlying issue.

Consistency is key. Any deviation from the prescribed diet can skew results, so stick to the plan and work closely with your vet for guidance.

💡 When to Call a Vet

If your dog’s symptoms persist or worsen despite your efforts, it’s time to consult a veterinarian. Severe symptoms like constant vomiting, diarrhea, or swelling around the face and throat could indicate a serious allergic reaction and require immediate attention.

Your vet may recommend diagnostic tests such as blood work, skin tests, or a supervised elimination diet to confirm the allergy and rule out other conditions like parasites or infections.

According to VCA Animal Hospitals, food allergies are best managed under the guidance of a veterinarian, as they can help create a tailored diet plan and ensure your dog’s nutritional needs are met (source).

FAQs

Q: How do I know if my dog has a food allergy or intolerance?
A: Allergies often involve immune responses like itching or ear infections, while intolerances usually cause digestive issues like diarrhea or gas. A vet can help determine which one is affecting your dog.

Q: Can my dog outgrow food allergies?
A: Unlike some environmental allergies, food allergies are typically lifelong. However, they can be managed effectively with the right diet.

Book a $49 online vet consultation at https://www.dialavet.com for fast, expert advice.

References

While every effort is made to ensure the accuracy of this content - including vet review where applicable - this article is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is unwell or you are concerned, please speak with a licensed veterinarian. You can book a $49 online consultation with our veterinary team  😄
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