At what age do attacks of hereditary angioedema start?

Most before puberty. 40% of individuals with hereditary angioedema (hae) have attacks before age 5 and 75% have attacks before age 15. Swelling is not itchy and there are no hives in hae. Frequency of attacks increases after puberty. Diagnosis usually made in 2nd or 3rd decade of life by history with confirmatory blood tests. See your md for diagnosis and if indicated preventive treatment.
Most before age 15. About 40% of people with hereditary angioedema( hae) experience their first episode before age 5, and 75% present before age 15. There is one type of hae(type 3), found in the second decade of life or later, and rarely occurs before puberty.
HAE presentation. One should keep in mind that the angioedema of hae is not associated with hives. Additionally, the swelling does not respond to antihistamines and corticosteroids.

Related Questions

How long does a hereditary angioedema attack typically last?

Hereditary angioedem. Very difficult to say since hae patients can have many attacks, even oneon top of another. The "typical" time course for an angioedema attack is a 72-hour progression to fully swollen and then another 72-hours until resolution (with or without therapy, which will shorten time course). Read more...
36 to 48 hours. Typically a pt who has a hist of HAE attacks can "sense" hours or even a day or two before. The swelling is noted over a 6-24 hour period and typically peaks at 36-48 hours. The most important point here is to treat at the very first symptom with your on demand medication. It's important to recognize even the slightest sense of a laryngeal attack gets med ASAPand then to the ER to be watched. Read more...

When would you consider hereditary angioedema attacks serious?

Close the airway. Hereditary angioedema is characterized by episodes of tissue swelling in the face, throat, limbs, and abdomen. In most cases, the swelling develops over hours but sometimes it may take only minutes. The most serious attacks swell the throat closed which can quickly cause respiratory arrest & death if not treated. Frequent & unpredictable attacks are also serious and require preventative treatment. Read more...