Are Cold Sores Hereditary?

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Definition

Hereditary angioedema is a rare but serious problem with the immune system that is passed down through families. It causes swelling, particularly of the face and airways, and abdominal cramping.

See also: Angioedema


Alternative Names

Quincke's disease


Causes, incidence, and risk factors

Hereditary angioedema (HAE) is caused by low levels or improper function of a protein called C1 inhibitor. This problem affects the blood vessels. People with...

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