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A 30-year-old member asked:

What cause hereditary angioedema?

1 doctor answer3 doctors weighed in
Dr. Jason Bellak
Allergy and Immunology 21 years experience
HAE: Hereditary angioedema (hae) is caused by a an uncontrolled activation of a complex cascade of proteins called complement. Hae is a result of a deficiency or lack of functional c1 esterase inhibitor protein. Some patients are born with this problem while other may acquire a lack of c1 esterase inhibitor from an underlying disease such as cancer. There are new treatments available.

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A 46-year-old member asked:

What causes hereditary angioedema to occur?

1 doctor answer2 doctors weighed in
Dr. Andrew Murphy
Allergy and Immunology 29 years experience
Abnl or absent prote: Hae is the result of missing or a poorly functioning protein called c1 esterase inhibitor. When this protein is missing or abnormal then a patient may to prone to swelling problems which can be life threatening.

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Last updated May 2, 2018

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