Symptoms of hereditary angioedema typically begin in childhood and worsen during puberty. Untreated individuals may have an attack every 1 to 2 weeks. Most episodes last 3 to 4 days. The frequency and duration of attacks vary greatly among individuals with hereditary angioedema, even among those in the same family.
This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.
|Medical Terms||Other Names||
|80%-99% of people have these symptoms|
|5%-29% of people have these symptoms|
Pain in stomach
Stomach pain[ more ]
Accumulation of fluid in the abdomen
Facial swelling[ more ]
Intestinal blockage[ more ]
|Percent of people who have these symptoms is not available through HPO|
|Abnormality of the larynx||0001600|
Autoimmune disorder[ more ]
|Peripheral axonal neuropathy||0003477|
Making a diagnosis for a genetic or rare disease can often be challenging. Healthcare professionals typically look at a person’s medical history, symptoms, physical exam, and laboratory test results in order to make a diagnosis. The following resources provide information relating to diagnosis and testing for this condition. If you have questions about getting a diagnosis, you should contact a healthcare professional.
Orphanet, a database dedicated to information on rare diseases and orphan drugs, provides guidelines regarding emergency management of hereditary angioedema at the following link.
Learn more orphan products.
If you need medical advice, you can look for doctors or other healthcare professionals who have experience with this disease. You may find these specialists through advocacy organizations, clinical trials, or articles published in medical journals. You may also want to contact a university or tertiary medical center in your area, because these centers tend to see more complex cases and have the latest technology and treatments.
If you can’t find a specialist in your local area, try contacting national or international specialists. They may be able to refer you to someone they know through conferences or research efforts. Some specialists may be willing to consult with you or your local doctors over the phone or by email if you can't travel to them for care.
You can find more tips in our guide, How to Find a Disease Specialist. We also encourage you to explore the rest of this page to find resources that can help you find specialists.
Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.
Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures. They can direct you to research, resources, and services. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.
Living with a genetic or rare disease can impact the daily lives of patients and families. These resources can help families navigate various aspects of living with a rare disease.
These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.
Hereditary Angioedema (HAE) Conference Friday, September 19, 2014 -
Saturday, September 20, 2014
Location: San Diego, CA
Description: Anticipated goals and use of results: 1) Organize and conduct a conference that is thematically focused on growing and extending knowledge in HAE; and which become progressively more ambitious over time, reflecting the anticipated advances in research. 2) Identify topics and speakers that will clarify the most promising avenues of investigation, organize the conference in a manner that will optimally support communication between all participants, communicate the resulting discussions to the broader scientific, patient, and pharmaceutical communities. 3) Provide a supportive and constructive forum for young investigators, including female and minority scientists, to present their work and interact with more senior investigators. 4) Increase interest and awareness of HAE research among the wider research community particularly among young investigators in order to recruit new investigators into the field. 5) Ensure equal representation and access of women and underrepresented minority participants.
Contact: Nancy Coulter,(301) 496-1886, firstname.lastname@example.org
Co-funding Institute(s): National Institute of Allergy and Infectious Diseases, Office of Rare Diseases Research
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Are there medications available to treat hereditary angioedema? See answer