Data regarding the epidemiology of<unk>  is limited. The incidence of<unk>  is one in 10,000–50,000 people in the United States and Canada. Mortality rates are estimated at 15–33%, resulting primarily from laryngeal edema and asphyxiation.<unk>  leads to 15,000–30,000 emergency department visits per year.
Hereditary angioedema
Bowel obstruction
Drug-induced angioedema
Angioedema
Oral allergy syndrome
Acquired C1 esterase inhibitor deficiency
Rice allergy
Drug-induced urticaria