Atlas One · Host Biology · Scale 07 — System

Hereditary Angioedema

Hereditary angioedema (HAE) is recurrent bradykinin-mediated swelling from C1-INH deficiency; laryngeal HAE causes asphyxiation. Icatibant (B2R antagonist) and C1-INH concentrate for acute attacks; berotralstat and lanadelumab for long-term prophylaxis.

Also known as: HAE, hereditary angioedema, HAE type I, HAE type II, HAE type III, C1 inhibitor deficiency, SERPING1 deficiency, bradykinin angioedema, Quincke's edema

Scale 07 — SystemScale
draftStatus
2026-06-07Last Reviewed
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hereditary-angioedema

Hereditary Angioedema

Hereditary angioedema (HAE) is recurrent bradykinin-mediated swelling from C1-INH deficiency; laryngeal HAE causes asphyxiation. Icatibant (B2R antagonist) and C1-INH concentrate for acute attacks; berotralstat and lanadelumab for long-term prophylaxis.