TY - JOUR T1 - Angioedema: Frightening and frustrating JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 203 LP - 205 VL - 66 IS - 4 AU - William O. Wagner A2 - Wilke, William S. Y1 - 1999/04/01 UR - http://www.ccjm.org/content/66/4/203.abstract N2 - Angioedema can have a variety of causes, including drug reactions, food allergies, and C1 esterase inhibitor deficiency, but many cases are idiopathic. Swelling usually subsides in days if the offending agent can be removed. The throat is often involved, but few patients actually require intubation. ER -