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Allergy

Allergic Diseases or Allergy is a common disease that can affect people in all ages.   Allergy is caused by a reaction of the immune system to the substances in our environment such as dust mites, fur, ‎pollen, food and others, these substances are known as allergen. It is usually not harmless for most people, but in some individuals it does.

 

People with allergies often do not know what kind of substance they are allergic to. Consequently, Allergy tests are available to find out what you are allergic to, so that you can avoid these factors and take care of yourself easier.
 
Allergy Symptoms
Allergens can enter our body which can be inhaled, ingested, or enter through the skin. Dust mite is the most common cause of allergy which account for more than 70-80%. Dust mite allergy symptoms include coughing, sneezing, stuffy nose, runny nose, watery eyes, itchy eyes, itchy face, rashes and flaking and peeling skin. Allergy symptoms can also be severe causing diarrhea, chest pain, and difficulty breathing.
 
Allergy Tests
An allergy test can be determined whether you have food allergy, allergic rhinitis, asthma, rashes, and dermatitis. Apart from physical examination, the patient is recommended to undergo medical diagnosis of allergy which is divided into two types:
 
1. Skin Prick Test is to place small amount of allergen extract such as dust, ‎dust mites, animal dandruff, ‎cockroach, pollen, fungus and others on the site of the skin.  An allergic reaction like red, itchy bump will occur if you’re allergic to that allergen or substance.
 
2. Serum Specific IgE is the blood test to measure the levels of immunoglobulin E in order to detect an allergy to a particular substance. This will thoroughly be measured in the lab, and allow the physician to assess what type of substance or allergen patient is allergic to and how severe allergic reaction is.
 
Difference between two tests
Serum specific IgE allergy test is suitable for patients who have certain skin conditions or allergic skin reaction. The patient does not need to stop antihistamines before the test, and the test usually does not take long, just one time blood test can look for many kinds of allergens.  Therefore, IgE test is considered safe producing minimal risk of side effect, but it takes several days for the result to be available. 
 
Skin Prick Test, on the other hand, will take 15-20 minutes for the result. The patient needs to stop antihistamines before the test.  As skin is exposed to suspected allergy-causing substance (allergen), severe allergic reaction can occur, and the number of allergens being tests is less than blood test (Serum specific IgE allergy).
 
 
You may find our specialist here at ENT Center, Phyathai 2 Hospital
 
 
Phyathai 2 Hospital
International Correspondence Center
Tel: +66-2617-2444 ext, 2020, 2047. Email: onestop@phyathai.com

 



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