IgE Allergy & Me

>30% of the world's population suffers from Allergies

Allergies (also known as Allergic diseases) constitute a significant percentage of morbidity worldwide. with the prevalence still on the rise. According to the World Allergy Organization, over 30% of the world’s population are affected by allergies1. In Hong Kong, 1 in every 5 people suffers from eczema caused by an allergic reaction.

The allergic reaction can be mild to life threatening and varies between patients. The severity is mainly determined by the person and his/her response. A severe allergic reaction can develop within seconds after exposure to an allergen and may result in life-threatening consequences such as anaphylaxis or even death.


  • Sánchez-Borges M, Martin BL, Muraro AM, et al. The importance of allergic disease in public health: an iCAALL statement. World Allergy Organ J 2018; 11(1): 8
  • The Hong Kong Allergy Association 2014. Eczema. Retrieved 10 June 2020, .
  • Gould HJ, Sutton BJ. IgE in allergy and asthma today. Nature Reviews Immunology 2008; 8: 205–217
  • Lee TH, Wu YY, Chan KC et al. Immunoglobulin G testing in the diagnosis of food allergy and intolerance. Hong Kong Medical Journal 2017, 23: 419-420.
  • Eigenmann PA, Markovic MA, Hourihane JOB. Testing Children for Allergies: Why, How, Who and When: An Updated Statement of the European Academy of Allergy and Clinical Immunology (EAACI) Section on Pediatrics and the EAACI-Clemens Von Pirquet Foundation.
  • Pediatric Allergy and Immunol 2013; 24(2): 195-209. https://allergiecentrumhasselt.be/onewebmedia/Testing%20children%20for%20allergies%20-%20EAACI.pdf
  • Lau YL et al. 2009, 'Health Information', Metro Daily, 30 July, p. 31.