CLASSIFICATION :
1. IGE-DEPENDENT
- SPECIFIC ANTIGEN SENSITIVITY ( POLLEN, FOODS, FUNGI, DRUGS, MOLDS, HYMENOPTERA, VENOM, HELMINTHS )
- PHYSICAL - DERMOGRAPHISM, COLD, SOLAR, CHOLINERGIC, VIBRATORY, EXERCISE RELATED
- AUTOIMMUNE
2. BRADYKININ MEDIATED
- HEREDITARY ANGIOEDEMA - C 1 INHIBITOR DEFICIENCY: NULL(TYPE 1 ) & DYSFUNCTIONAL ( TYPE 2 )
- ACQUIRED ANGIOEDEMA - C 1 INHIBITORY DEFICIENCY: ANTI-IDIOTYPE & ANTI-C 1 INHIBITOR
- ANGIOTENSIN-CONVERTING ENZYME INHIBITORS
3. COMPLEMENT MEDIATED
- NECROTIZING VASCULITIS
- SERM SICKNESS
- REACTIONS TO BLOOD PRODUCTS
4. NONIMMUNOLOGIC
- DIRECT MAST CELL-RELEASING AGENTS ( OPIATES, ANTIBIOTICS, CURARE, D-TUBOCURARINE, RADIOCONTRAST MEDIA )
- AGENTS THAT ALTER ARACHIDONIC ACID METABOLISM ( ASPIRIN & NSAIDS, AZO DYES & BENZOATES )
5. IDIOPATHIC
* SKIN TEST
* ASSAY FOR ALLERGEN SPECIFIC IGE IN SERUM