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Dog Allergies: Understanding Causes, Symptoms and Treatment

Veröffentlicht January 29, 2026
Brand Border PAVC

Getting to the root cause behind allergy

Just like humans, dogs can suffer from allergies that affect their quality of life. Understanding the causes, recognising the symptoms, and knowing the treatment options can help you keep your furry friend comfortable and healthy.

 

What Causes Dog Allergies?

 

Dogs can develop allergies to various environmental and dietary factors. The most common allergens include:

 

Environmental Allergens: Pollen, dust mites, mould spores, and grass can trigger allergic reactions in dogs, especially during certain seasons.

 

Food Allergens: Common food allergens include beef, chicken, dairy, wheat, and soy. Food allergies often develop over time with repeated exposure.

 

Flea Allergies: Some dogs are hypersensitive to flea saliva, causing intense itching even from a single flea bite.

 

Contact Allergens: Cleaning products, fabrics, or certain plants can cause skin reactions when they come into direct contact with your dog.

 

Common Symptoms to Watch For

 

Allergic reactions in dogs typically manifest through skin and digestive issues:

 

  • Excessive scratching, licking, or biting at skin
  • - Red, inflamed skin or hot spots
  • - Recurring ear infections
  • - Watery eyes and runny nose
  • - Sneezing and coughing
  • - Vomiting or diarrhoea (food allergies)
  • - Hair loss or bald patches

Treatment Options

 

Treatment depends on the type and severity of allergies. Your veterinarian may recommend:

 

Avoidance: Identifying and removing allergens from your dog's environment or diet.

 

Medications: Antihistamines, corticosteroids, or newer medications like Apoquel can provide relief from symptoms.

 

Immunotherapy: Allergy shots or oral drops can help desensitise your dog to specific allergens over time.

 

Topical Treatments: Medicated shampoos and sprays can soothe irritated skin.

 

When to See a Vet

 

If your dog shows persistent allergy symptoms, schedule a consultation with our veterinary team. Early diagnosis and treatment can prevent secondary infections and improve your pet's comfort. Our clinic offers comprehensive allergy testing and personalised treatment plans.

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