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 causes

Introduction

Overview

Overview

Allergy may be caused by genetic, environmental and infectious factors.

CauseAllergy

CauseAllergy

Allergy may be caused by genetic, environmental and infectious factors. Anaphylaxis is a life-threatening cause of Allergy.

Common Causes

Common genetic causes of allergy may include[1][2] :

  • HLA class 2 genes
  • Th2 cytokine genes
  • Degranulation and pro-inflammatory responses

Common environmental causes of allergy may include[3]:

  • Exposure to allergen:
    • Foods( Peanut, soy, eggs, shellfish), Drugs (Antibiotics, NSAIDS, Aspirin, Sulfur containing medications etc), Insects(honeybee, bumblebee, Hornet, fire ant etc), Contrast allergy, Latex, Exercise, vaccinations
  • Environmental pollution
  • Alteration of microbiota
  • Agricultural etiology


Common infectious causes of allergy may include[4][5]:

  • Intestinal parasites

Less Common Causes

Less common causes of allergy include:

References

References

  1. ↑ Janeway, Charles (2001). Immunobiology; Fifth Edition. New York and London: Garland Science. pp. e–book. ISBN 0-8153-4101-6. Unknown parameter |coauthors= ignored (help).
  2. ↑ Galli SJ (2000). “Allergy”. Curr. Biol. 10 (3): R93–5. PMID 10679332.
  3. ↑ Cooper PJ (2004). “Intestinal worms and human allergy”. Parasite Immunol. 26 (11–12): 455–67. doi:10.1111/j.0141-9838.2004.00728.x. PMID 15771681.
  4. ↑ Macpherson CN, Gottstein B, Geerts S (2000). “Parasitic food-borne and water-borne zoonoses”. Rev. – Off. Int. Epizoot. 19 (1): 240–58. PMID 11189719.
  5. ↑ Carvalho EM, Bastos LS, Araújo MI (2006). “Worms and allergy”. Parasite Immunol. 28 (10): 525–34. doi:10.1111/j.1365-3024.2006.00894.x. PMID 16965288.

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