Developer site: The content shown here is test data.

MyEClinic
MyEClinic
Health Dictionary AI Health Chat Find an Online Doctor
A serene Zen garden with raked sand and smooth stones, symbolising clarity and calm

Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

Back to skin conditions

Allergy classification

Introduction

Overview

Overview

Allergy may be classified into four subtypes based on duration], type of allergen, Blood IgE test and Organ involvement.

Classification

Classification

Allergy may be classified according to duration], type of allergen, Blood IgE test and Organ involvement into four subtypes[1][2][3]:

 
 
 
 
 
 
 
 
 
 
 
 
Duration
 
Early Phase Reaction, Late Phase Reaction, Chronic Allergic Reaction
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Type of Allergen
 
Pollen, Drug, Pet, Food, Insect, Latex, Mold
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Allergy
 
 
 
 
Blood IgE Test
 
Class 0 to class 4
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Organ involvement
 
Systemic Anaphylaxis, Acute Urticaria, Asthma, Allergic Rhinitis, Food Allergy
 
 
 
 
 
 
References

References

  1. ↑ “Allergy and Hypersensitivity – Immunobiology – NCBI Bookshelf”.
  2. ↑ Siles RI, Hsieh FH (September 2011). “Allergy blood testing: A practical guide for clinicians”. Cleve Clin J Med. 78 (9): 585–92. doi:10.3949/ccjm.78a.11023. PMID 21885690.
  3. ↑ Galli SJ, Tsai M, Piliponsky AM (July 2008). “The development of allergic inflammation”. Nature. 454 (7203): 445–54. doi:10.1038/nature07204. PMC 3573758. PMID 18650915.

Template:WikiDoc Sources

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Marufa Marium, M.B.B.S[2]