At what age does hereditary angioedema start?

At what age does hereditary angioedema start? Hereditary angioedema typically starts in childhood or adolescence, and symptoms may become more severe with age. Learn more in this blog.

At what age does hereditary angioedema start?

HAE can manifest at any age, but it often becomes apparent during childhood or adolescence. Research suggests that around 50% of individuals with HAE experience their first symptoms before the age of 10, while around 75% experience their first symptoms before the age of 20.

Early signs of HAE in children may include recurrent episodes of swelling in the face, extremities, or genitals, which can last for several days. Abdominal pain, nausea, and vomiting may also occur. It is important to note that symptoms can vary in severity and frequency even within the same family.

As children with HAE grow older, they may experience more episodes and an increased severity of symptoms. Hormonal changes during puberty, such as menstruation in females, can further exacerbate the condition. However, the age of onset and the severity of symptoms can vary significantly from person to person.

It is not uncommon for some individuals to experience their first episode of HAE in adulthood, even in their 30s or 40s. In some cases, the symptoms may be mild and go unnoticed for years, leading to a delayed diagnosis.

Early diagnosis and treatment are crucial in managing HAE and preventing potentially life-threatening complications. Therefore, it is essential for individuals experiencing unexplained episodes of swelling to seek medical attention, particularly if there is a family history of HAE.

Genetic testing can definitively confirm a diagnosis of HAE and identify the specific mutation responsible for the condition. This can help determine the appropriate treatment plan and provide valuable information for family members who may also be at risk of developing HAE.

Available treatment options for HAE include medications to manage acute episodes of swelling, as well as preventive medications that help reduce the frequency and severity of attacks. Additionally, individuals with HAE are often advised to carry a self-administered medication called a C1 inhibitor or a rescue medication, such as a pre-filled syringe or an autoinjector, in case of a sudden attack.

In conclusion, hereditary angioedema can start at any age, but it is most commonly observed in childhood or adolescence. Early diagnosis, genetic testing, and appropriate management plan are essential for individuals with HAE to lead a healthy and fulfilling life.


Frequently Asked Questions

1. At what age does hereditary angioedema typically start?

Hereditary angioedema (HAE) usually manifests during childhood or adolescence, with symptoms often appearing by the age of 5. However, some individuals may experience their first episode later in life.

2. Can hereditary angioedema develop in adulthood?

Yes, hereditary angioedema can develop in adulthood, although it is less common compared to childhood-onset cases. It is important to note that HAE can occur at any age and may be passed down through family generations.

3. Is hereditary angioedema present from birth?

No, hereditary angioedema is not present from birth. The symptoms typically emerge at a later stage, usually during childhood or adolescence. However, the genetic predisposition for HAE is present at birth.

4. Are there any early signs or symptoms that indicate hereditary angioedema in children?

In some cases, children who will develop hereditary angioedema may exhibit early signs such as recurrent episodes of unexplained abdominal pain, swelling of the face, or sudden difficulty breathing. However, these symptoms can be confused with other conditions, so a proper diagnosis is crucial.

5. Can hereditary angioedema skip generations?

Hereditary angioedema is an autosomal dominant genetic disorder, which means it usually does not skip generations. If a parent has HAE, there is a 50% chance of passing it on to their children. However, it is also possible for HAE to occur sporadically, without a family history of the condition.