Anaphylaxis
Anaphylaxis Fred Hsieh DEFINITION AND ETIOLOGY Anaphylaxis is a serious allergic reaction that has a rapid onset and can cause death. Anaphylactic reactions are triggered by immunoglobulin (Ig) E–dependent activation…
Urticaria and Angioedema
Urticaria and Angioedema Sandra Hong, Sheila Armogida DEFINITION Urticaria, also known as hives, is defined as raised, erythematous skin lesions that are pruritic and evanescent. They typically last less than…
