Understanding HAE

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Not a real patient.

FIRAZYR is a medicine used to treat acute attacks of hereditary angioedema (HAE) in adults 18 years of age and older.

These pages will tell you more about hereditary angioedema (HAE), a rare disease that typically causes attacks of swelling in the stomach (abdomen), face, feet, genitals, hands, and throat. Find out how an HAE attack might look, as well as the steps to take to get a diagnosis and develop an HAE treatment plan with your doctor.

What is HAE?

Get basic facts about HAE and what's happening in your body during an attack.

Learn about HAE »

HAE Symptoms

Find out how an HAE attack might affect different parts of the body.

Review symptoms of HAE »

Causes of HAE

This genetic disease can affect members of your immediate and extended family.

See what causes hereditary angioedema »

HAE Attacks

It's important to treat attacks promptly before they worsen.

Find out why »

HAE Diagnosis and

Take steps toward getting a diagnosis so you can begin treatment for acute HAE attacks.

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What is FIRAZYR?

FIRAZYR is prescribed to treat acute HAE attacks in adults 18 years of age and older.

Get the facts »