To prevent angioedema from coming back:
Never take medications that are not prescribed for you.
Kaplan AP. Angioedema. J Am Acad Dermatol. Sept 2005; 53(3): 373-88.
Habif TP. Clinical Dermatology. 4th ed. St. Louis, Mo: Mosby; 2004:129.
Marx J. Rosen’s Emergency Medicine: Concepts and Clinical Practice. 6th ed. St. Louis, Mo: Mosby; 2006:1834-1835.
Temiño VM, Peebles RS Jr. The spectrum and treatment of angioedema. Am J Med. 2008;121:282-286.