One of the difficult conditions in some few cases the presence of cats in the household is allergic to cats, which is an immune system reaction of the people before certain items and substances that derive from the body of cats , mainly due to the cats loose hair or skin. The fact that you can generate allergic to cats, largely because almost all animals with fur or feathers, leading to the generation of allergies to them, then the cat comes into the group of animals that cause allergies, must be added that people who are allergic to other things or have asthma, are much more likely to be allergic to cats. One thing to keep in mind is that the trend in world population to be allergic to cats, is two times higher than for dogs to have allergies. The response has the body of a person allergic to cats, is the result of the activity of your immune system, which in the presence of cats, have a hypersensitive reaction to a protein alegrenos called, which may come to the hairs of the cat, leaving the dead skin or dandruff, urine, feces or saliva. More accurately, people allergic to cats react to the protein Fel d1.

Specifically, this protein produced by the cat, is produced in skin and hair of cats such protein is secreted, but can also accumulate in other areas of the body. In the cat hairs can also build other types of allergens that make strong allergy to cats, such as dust and pollen. The allergy-causing protein is present in the saliva in the skin and sebaceous glands of a wide range of cats, including the cat, but also occurs in a lot of internal tissues of cats, as is the brain, muscles and visceral organs, but stress that the main source of protein that causes cat allergy is the skin. Accumulations of Fel d1 on the skin of cats, have a control hormonal, thence to the castration of cats have great influence on the control of the protein and thus of the allergies that it creates, and the passage of one month of castration of cats, greatly decrease the levels Fel D1 protein. You must know that the secretion of the protein is more common in male cats than in females. Before taking any decision regarding cats as possible sources of an allergy, it is best to go to an allergist, to practice various tests to help determine with certainty the generating element of allergy.