Allergic reactions occur all the time in humans – and it is not uncommon to be allergic to, for example, pollen or various foods. What you may not think about as much is that animals can also be allergic. Allergy in cats occurs in the same way as for us two-legged animals – and can be troublesome for the furry family member.
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Symptoms of allergies in cats
Allergies in cats usually lead to skin problems – but can also result in gastrointestinal problems. We divide allergens in cats into four categories: food allergens, inhalants (airborne allergens), contact allergens and parasites (usually fleas). Depending on the degree and type of allergy – an allergic cat may have one or more different symptoms – but common to all of them is that they are often bothersome to cats.
The most typical symptom of cat allergies is excessive licking – especially on the belly and thighs – which can lead to hairless areas. Some cats may also develop sores around the neck, throat and face or even on the mucous membranes of the mouth. Others may experience occasional diarrhea.
The following symptoms can be general signs that may give rise to the suspicion that the cat is suffering from allergies:
- Reap
- sneezing
- wheezing
- Breathing Problems
- Red, watery eyes
- Itchy, red skin
- Otitis
- Skin rash
- Itching and biting on paws
- Nausea/vomiting
- Diarrhea
Treatment of various types of allergies in cats
As mentioned, cats can develop different types of allergies – and treatment must therefore be adapted to each individual cat depending on the type of allergy, degree of symptoms, and the conditions and possibilities for implementing the treatment regimen.
Food allergy
Food allergies are one of the most common causes of skin problems in cats – and can develop suddenly even after eating the same food for many years. The most common allergens include eggs, wheat, fish and beef. Symptoms of food allergies can include itchy paws, armpits and ears, as well as gastrointestinal symptoms such as vomiting and diarrhoea. To diagnose a food allergy, an elimination diet is carried out, which involves switching to a food with a different protein source that the body is not familiar with or a hypoallergenic food for allergic cats – for at least eight weeks.
Inhalation allergy
Inhalant allergies – also known as environmental allergies or seasonal allergies – cause severe itching in cats. They can react to pollen, dust mites, mold, or even cigarette smoke in the same way that we humans can. Environmental allergies can be tested for with a blood test. Treatment varies and may include special shampoos, anti-itch and anti-inflammatory medications, or allergy shots.
Contact allergy
Contact allergies occur when your cat's skin comes into contact with materials it can't tolerate – such as the wool in the cat bed, the metal in the food bowl or the textiles in the collar. This usually leads to local symptoms such as itching around the affected area. The treatment is simple: avoid further contact with these substances.
Flea bite allergy
Cat fleas are fortunately not very common in Norway today – but the incidence is expected to increase. In addition, cats can be infected by fleas abroad. Flea bite allergy is an allergic reaction to flea saliva that can lead to intense itching in the cat. Regular preventive treatment with antiparasitic agents is the best way to manage flea bite allergy. Most tick repellents are also effective against fleas.
Veterinary help for allergies in cats
If you suspect that your cat is allergic – you can easily book an appointment at our veterinary clinic via the button below. We will help you with advice and treatment for a healthy and happy kitty! It is important to remember that allergies are a lifelong condition – and close cooperation with a veterinarian is often crucial to achieving the best possible treatment results for your cat.


