Top Allergy and Asthma Triggers -- and How to Avoid Them

Anaphylaxis, a systemic allergic reaction that can be fatal, is the most severe reaction and is marked by an initial feeling of warmth, flushing, tingling in the mouth and red, itchy rash. These symptoms are usually reversed with emergency measures, including antihistamines and injectable epinephrine under the care of a physician or allergist.