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What are symptoms of hereditary angioedema?

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The main symptom of HAE is swelling. You won’t have the itching or hives that people often get with allergic reactions. A bout may last 2-5 days.

It can happen in different parts of the body. Swelling in the throat is the most dangerous symptom. Puffiness in the feet and hands can be painful and make it hard to go about your daily life. Swelling in your belly can cause extreme pain, nausea, vomiting, and diarrhea.

Warning signs before swelling begins include:

  • Extreme fatigue
  • Muscle aches
  • Tingling
  • Headache
  • Belly pain
  • Hoarseness
  • Mood changes

SOURCES:

HAEA: “What is HAE?” "Treating HAE."

AAAAI: “Understanding Hereditary Angioedema.”

Chnniah, N. Australia and New Zealand Journal of Obstetrics and Gynaecology, February 2009.

National Center for Advance Translational Sciences: “Hereditary angioedema.”

National Library of Medicine, Genetics Home Reference: "What is hereditary angioedema?"

NORD: “Angioedema, Hereditary.”

HAECanada: “Frequently Asked Questions.”

Reviewed by Neha Pathak on March 16, 2021

SOURCES:

HAEA: “What is HAE?” "Treating HAE."

AAAAI: “Understanding Hereditary Angioedema.”

Chnniah, N. Australia and New Zealand Journal of Obstetrics and Gynaecology, February 2009.

National Center for Advance Translational Sciences: “Hereditary angioedema.”

National Library of Medicine, Genetics Home Reference: "What is hereditary angioedema?"

NORD: “Angioedema, Hereditary.”

HAECanada: “Frequently Asked Questions.”

Reviewed by Neha Pathak on March 16, 2021

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What can swelling in your belly from hereditary angioedema (HAE) cause?

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