Philippine Nurse

An allergy refers to the overreaction of the immune system in response to bodily contact with some foreign substances. It is an exaggeration, because these substances are generally regarded by the agency as innocuous and no reaction occurs in the non-allergic. People who are allergic bodies to recognize the foreign substance and part of the immune system is activated. Allergy-producing substances are called allergens. " Examples include allergenic pollen, dust mites, molds, danders, and foods. To understand the language of allergy, it is important to remember that Allergens are substances that are foreign to the body and can cause an allergic reaction in some people.

When an allergen comes in contact with the body, it causes the immune system to develop an allergic reaction in people who are allergic to it. When you react inappropriately to allergens that are normally harmless to other people, you experience an allergic reaction and can be considered as being allergic or atopic. Therefore, people who are prone to allergies are supposed to be allergic or atopic. "

Pirquet Austrian pediatrician Clemens (1874-1929), the term first used allergy. He referred to the time that immunity has been beneficial and harmful to sensitivities as "allergy." The term allergy is derived from the Greek word "allos, meaning different or modified and ergos", which means "work or action. Allergy roughly refers to an "alteration reaction." The word was first used allergy in 1905 to describe the adverse effects of children who received repeated blows horse serum to fight infection. The following year, the term of allergy has been proposed to explain this unexpected "changed reactivity."