Allergies
An allergy is an abnormal reaction to ordinarily harmless substance or substances. These sensitizing substances, called allergens, may be inhaled, swallowed or come into contact with the skin. When an allergen is absorbed into the body it triggers white blood cells to produce IgE antibodies. These antibodies attach themselves to mast cells causing release of potent chemical mediators such as histamine, causing typical allergic symptoms. A person who has allergies doesn't have a poor immune system, rather an over protective one. Their immune system fights the allergen when it comes in contact with it even though the allergen isn't harmful. To diagnose allergies a physician will clean the person's back with alcohol, then mark it with an ink pen according to each substance going to tested. They are extracts of potential allergens in small vials. A drop of these is put on the corresponding mark on your skin, and then a needle is used to prick the skin. It breaks the surface of the skin so that the extract can enter. If an extract provokes an allergic reaction, the patient will develop an irritation that may look like a mosquito bite. The ones which promote reactions are the ones in which the person is allergic to and needs to ge
Small amounts of an allergy extract (pollens, molds, animal danders, or dust) are injected at regular intervals into the patient to build up protective antibodies and decrease the patient's sensitivity. If only one parent has allergies, chances are one in three that each child will have an allergy. Bronchodilators include beta-agonists, theophylline, and anticholinergics. Bronchodilators are used to relieve coughing, wheezing, shortness of breath, and difficulty in breathing. These injections are given just under the skin in the subcutaneous layer. Decongestants can cause nervousness, sleeplessness, or elevation in blood pressure. Some other people believe that Allergies and asthma are different parts of the same health problem. A famous Antihistamine used today is Claritin (loratadine) and is one of the most widely used drugs to treat allergies today. edu 11 October 1999"Health Notes" Providence Journal 30 September 1999 Online. Although any environmental material can cause allergies, certain ones are encountered more frequently than are others. Some may experience nightmares, unusual excitement or nervousness, restlessness or irritability.
Common topics in this essay:
Antihistamine Claritin,
,
Maine Michigan,
Research Arizona,
Online Available,
Moving Arizona,
october 1999,
11 october 1999,
11 october,
allergic reaction,
1999 online,
1999 online available,
online available,
Infectious Diseases,
Information Resource,
Allergies Claritincom,
Providence Journal,
october 1999 online,
nasal congestion,
rid allergies,
blood pressure,
allergic reactions,
october 1999 allergy,
over-the-counter prescription,
8 october 1999,
|
Acceptance Essays
