Allergies: The word allergy comes from two Greek words. Allos means “other”and ergon means “work”. An allergy changes how the body works or reacts to certain substance. To understand allergy, its help to know about the immune system, which protect the body from illness and disease. During an allergic reaction, many thing can happen. The eyes may water or turn red, and the nose might run. The mouth and throat could itch. Breathing may be more difficult, and some people wheeze and sneeze. Sometimes, a rash, a stomachache, or itchy red bumps called hives appear. Allergy usually happens minutes after the allergy causing substance touches or enter the body. Hundred of substance can make people with allergies feel uncomfortable or sick. These substance are called allergens. They sometimes are called allergy triggers because they stimulate an allergic reaction. Allergy triggers very from person to person. Many plants foods or animals are or contain allergens. Allergies can be controlled or even cured with proper treatment people with allergiesvcan be as active as they like. Avoiding allergy triggers is the most basic way to control allergies. Hay fever is one of the most common kind of allergies. Symptoms of hay fever includes. Sneezing Runny or clogged nose couching Itchy eyes, nose and throat, waltery eyes red swollen gas. Avoid the thing that cause your symptoms. *Use medicine *get allergy shots allergy shots contains small amount of what you are allergic to at first shots may be given eney week to lesson your symptoms.