What is a Rare Disease That Causes Swelling? Exploring Hereditary Angioedema
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5 min read
Affecting 1 in 10,000 to 1 in 50,000 people, hereditary angioedema (HAE) is a prime example of **what is a rare disease that causes swelling**. Unlike common allergic swelling, HAE involves unpredictable, life-threatening attacks that can affect the face, limbs, and airways.