Allergy is a hypersensitive reaction that the host responds to allergens in atopic subjects. The symptoms occur in organs that are exposed to the allergens. The symptoms and its severity triggered by the allergen are different in each patient according to his/her genetic background and the site of allergen exposure. Allergens are mainly divided into two categories including aeroallergens such as dust mite, cockroach, pet hair/dander, pollen, grass and fungi, and food allergens such as milk, egg, soybean, peanut, wheat and seafood.
The incidence of allergy in Thailand
According to the statistics from The Allergy, Asthma, and Immunology Association of Thailand, Thai patients suffering from allergy are up to 38 percent in children and 20 percent in adults. Nowadays, the number of allergic patients with symptoms increases 3-4 times compared to last 10 years which caused mainly from heredity, pollution, modern forms of lifestyle such as smoking, lacking of exercise. Moreover, keeping pet in house, carpeting and using air conditioner also worsen the dwelling’s ventilation and can increase an amount of dust and a rate of dust mites thriving.
Symptoms of allergy
The allergic symptoms in patient are triggered by the allergens which stimulate inflammatory responses. A variety of the symptoms might include rash, persistence allergic urticaria, runny nose with sneezing, watery, red and itchy eyes or frequent cough, wheezing, chest discomfort, and also vomiting, diarrhea, weight loss and anemia. At the present, allergic disease is incurable by drugs, but
with appropriate care by avoiding allergen exposure, sometimes the symptoms may completely disappear.
When the doctor suspects that the patient may has allergic disease by taking his/her medical history, physical examination, and/or skin allergy testing, blood allergen-specific IgE can be another measurement to confirm the diagnosis.
N Health provides Food + Inhalation Thailand Profile Specific IgE (Immunoblot) test which contains the most 36 common food allergens and aeroallergens specific to Thai people.