%0 Journal Article %T How to prevent and treat an allergic crisis %A ME Levin %J Continuing Medical Education %D 2013 %I %X Anaphylaxis, the most serious of the allergic conditions, is a sudden, severe, potentially fatal systemic reaction. It may involve the skin, respiratory tract, gastrointestinal tract or cardiovascular system. Symptoms occur within minutes to two hours a er contact with the allergy-causing substance. CME January 2013 Vol. 31 No. 1 %U http://www.ajol.info/index.php/cme/article/view/84986