The Burden of Hereditary Angioedema in a Large Family in Brazil.

Introduction: Hereditary angioedema (HAE) is a rare genetic disease characterized by submucosal and subcutaneous edema with high morbidity and possibility of mortality. This study presents the sociodemographic characteristics of a large Brazilian family with HAE.

Methods: Descriptive cross-sectional study with patients from two family branches coming from the same city and HAE diagnosis was carried out.