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Common Cat Allergies: Symptoms, Causes And Treatments

Cats are often independent and resourceful, but that doesn’t mean that they don’t still face health challenges. Allergic reactions can affect their skin, digestion and even their respiratory system, leaving them uncomfortable and not their usual selves. Because the signs and symptoms can often resemble other conditions, pinpointing the cause requires patience and veterinary input.

At Calibra, we understand the link between diet and wellbeing. Our veterinary-formulated recipes are tailored for cats with sensitivities, helping calm skin irritation, support digestion and promote comfort.

Cat sneezing outside

Common Allergies In Cats

Allergies occur when the immune system reacts abnormally to substances that are usually harmless. In cats, common culprits include:

  • Dietary proteins (e.g. chicken, beef, fish or dairy).
  • Flea bites can set off intense itching and skin irritation.
  • Environmental particles like dust, mould spores, or pollen.
  • Household products such as scented cleaners, shampoos, or certain litters.

Some breeds, such as Siamese, may be more prone to food sensitivities.

Cat napping
Orange tabby cat hunting outside

Symptoms Of Cat Allergies

Cats mask discomfort well, so subtle changes in behaviour or appearance may be the first clue. Watch for:

  • Intense scratching, grooming, or biting, especially on the head, neck or tail base.
  • Patches of hair loss, scabs or small wounds from overgrooming.
  • Red or irritated skin.
  • Recurring ear problems or frequent head shaking.
  • Watery eyes.
  • Regular sneezing.
  • Digestive upset such as vomiting or diarrhoea, particularly with food allergies.

These issues can overlap with other illnesses, so only a vet can confirm whether allergies are the cause.

Cat laid looking at camera

Treatments For Cat Allergies

Successful management usually combines veterinary care with lifestyle adjustments. Depending on the cause, your vet may advise:

  • Year-round flea prevention to avoid flea-related skin reactions.
  • Medicated washes or topical creams for soothing inflamed skin.
  • Short-term use of antihistamines or steroids to ease severe itching.
  • Allergen-specific immunotherapy for chronic environmental triggers.
  • Special veterinary diets designed to reduce food-related symptoms.

Shop Allergy-Friendly Cat Food

At Calibra, we offer targeted solutions for cats with sensitivities:

How Diet Helps : Foods That Support Cats With Allergies

Diet can be one of the most powerful tools in keeping allergic cats comfortable, whether their allergy is food-based or whether nutrition is needed to strengthen skin and immunity. Key dietary approaches include:

Hydrolysed Proteins

Hydrolysed proteins are broken down so the body is less likely to recognise them as allergens.

Novel Proteins

Using less common protein sources such as duck, lamb or salmon that your cat may not have been exposed to before can reduce the risk of triggering allergies.

Hypoallergenic Or Grain-Free Diets

Specialised diets that omit common allergens help to reduce exposure to typical irritants.

Omega-3 Fatty Acids

Omega 3-rich foods like salmon, tuna and herring support healthy skin and reduce inflammation.

Veterinary-Formulated Recipes

Recipes designed with expertise by veterinarians such as our Veterinary Diets range are balanced for long-term allergy support and recovery.

Final Advice

Allergies in cats can be frustrating to unravel, but with consistent care, they don’t have to limit your pet’s quality of life. Identifying the trigger, keeping skin and digestion healthy, and using strict flea control are all key steps.

If your cat shows possible signs of allergies, speak with your veterinarian for testing and advice. Alongside professional guidance, Calibra’s specialist diets can provide vital nutritional support – helping your cat feel more comfortable, healthy and happy every day.

Contact us today to learn how our cat food can support your cat’s allergies.

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