Allergy to Cats: Truth or Myth?

Allergy to Cats: Truth or Myth? 

Among domestic animals, cats, especially males and dark in color (black and / or dark brown), are among the most cause allergic reactions in people with a predisposition to allergies. Remember that not all of us have developed allergic reactions, but those people who have allergies, asthma and exacerbated reactions of itching, but cats can trigger these crises.

Cats generally produce from one to five allergens (proteins) that cause allergic reactions in humans. The two most common proteins that cause allergy that are produced in the sebaceous glands (the base) and one that is produced in saliva cat. Thus, both by how the cat’s saliva can trigger these crises.

As the cat licking usually very most by fallen the house have these two proteins. Then, the light told of an allergic person with a by clinging to a cushion or by floating in the air can trigger seizures in a few seconds after entering an environment where live or have lived a cat.

An allergic reaction is an acute response generally characterized by cough, wheezing, “closed chest”, nasal congestion, nasal itching, sneezing, chronic neck pain or itching in the throat, redness and patches on the skin, itchy skin, itching and tearing of eyes, swollen lips and can in severe cases have serious breathing difficulties by laryngeal edema.

A study indicates that 63% of people allergic to cats are allergic to the saliva protein and, therefore, even a lick or bite of a cat can cause reactions similar to a mild flu in those people.


These individuals should avoid contact with cats or environments where the cats live, since these antigens (the by e saliva proteins) may stay for months or even years in the cushions, carpets and only a careful cleaning with filters and purifiers environments can eliminate this protein.

Frequent washing of hands , especially after the cat handling, and wash your hands before touching your eyes, nose or mouth or limiting the cat outdoors or even preventing their access to rooms or rooms of these people, you can also reduce these reactions allergic.

The use of antihistamines and decongestants can provide relief to this allergy and even topical medications (ointments and creams) to relieve skin itching, always under medical prescription.

Bathing the cat regularly can help remove significant amounts of skin allergens. Also, brushing the cat can reduce the amount of at loose in the air (and your saliva to the next when he licks).

A power good quality and rich in omega-3 will provide a healthier coat and also decline and fall of the.


As there is a racial predisposition (cats of the dark) and sex (male), choose a female cat, “hipoallergêrnico”, ie a cat with less prone to cause allergic reactions in humans can be recommended, although controversial.

There are studies showing statistically significant results that female cats of Siberian races, Russian Blue cats, Devon Rex, Cornish Rex Abys cats and some other breeds tend to have low levels of these allergenic proteins.

When it comes to male cats, also found that neutered male cats produce less allergens than males neutered cats do not.

We recommend that these people allergic to cats think about the possibility of having another pet as dogs, birds and some reptiles.

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