Doctors discover ‘missing link’ in much-debated allergy

Case report reveals the three phases of symptoms seen in severe allergy to histamine in food
Credit: American Journal of Case Reports.

Doctors say they have found the ‘missing link’ that explains severe food allergy caused by histamines in foods such as pizza, after treating a patient with three distinct symptom phases. 

The 36-year-old man presented with episodes of recurrent, dry flushing that occurred every 3-6 weeks involving his neck, chest and inner arms and thighs.