DIFFERENTIAL DIAGNOSIS OF ANAPHYLAXIS

Differential diagnosis of anaphylaxis are : 
-vasovagal reaction 
-systemic mastocytosis 
-scombroid intoxication 
-pheochromoccytoma 
-hereditary angio edema
-globus hystericus 
-pulmonary embolism 
-carcinoid syndrome 
-after first contact with pentamidine 
-polymyxin 
-contrast media 
​-aspirin