Allergies, Atopic Dermatitis
Most people have an idea of what is an allergy, because today are so common that in fact to be accepted as normal, because almost everyone suffers them, selling OTC pharmaceutical products for them.
An allergy is an abnormal immune reaction to a substance that is normally harmless, but those presenting immune disorder, or symptoms may respond to this common substances, releasing chemicals.
In children, allergic disease occurs first as atopic dermatitis (eczema) or food allergies, and those children with atopic dermatitis are those with a higher risk of developing allergic rhinitis and asthma, being the age most likely, the school.
Before age five, children come to have atopic dermatitis, which is a sign that the child may develop in the future allergic complications such as asthma.