Allergies And Allergic Reactions : Allergy Immunizations Essay

3390 Words Apr 26th, 2015 14 Pages
Alan Whigham
Allergies and Allergic Reactions
Allergy Immunizations

Allergies in the human body are caused when the body treats a protein structure as a threat and releases antibodies to fight it off. Usually, these allergies are acquired throughout a lifetime but in some cases it can develop as early as birth. Exposure to allergens, especially in early life, is an important risk factor for allergy. What would be a normally harmless protein structure, the body detects the protein as a threat and attempts to destroy it via the immune system, probing the immune response one usually relates to an allergic reaction. The effects one sees during an allergy attack is the body’s response to the foreign substance. The body, while fighting off the protein, causes red eyes, hives, itching, runny nose, eczema, or even anaphylaxis. The protein structures that induce these responses are called allergens. Allergens differ from person to person, however there are patterns that most humans share. For example, most people get itchy when lying in grass or sneeze when inhaling dust. Furthermore, foods such as peanuts, eggs, dairy, and fish are examples of possible allergens that are ingested. On the other hand, venom, bug bites, and environmental allergens are caused by the surrounding factors. All together, an allergen does not have to be ingested or have to be in physical contact, in severe cases even inhaling the airborne particles of an allergen can cause an allergic reaction. The severity…

Related Documents