Wiskott Aldrich Syndrome: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Wiskott Aldrich Syndrome?
A pediatrician or family doctor is often the first to notice warning signs and can order early blood tests. The main specialist is an immunologist, and a hematologist may also be involved. Stem cell transplants are done at specialized centers.
What it is
Wiskott Aldrich syndrome is a rare genetic condition that weakens the immune system, the body's defense against germs, and lowers platelets, which help stop bleeding. People with the condition get infections and bruise or bleed more easily. It is present from birth and mostly affects boys.
Symptoms
Signs often show up in the first months of life. Babies may develop frequent infections, such as pneumonia, along with eczema, which is itchy, inflamed skin. Bleeding problems are common, with easy bruising, nosebleeds, or tiny red spots on the skin. Some children develop autoimmune problems and a higher risk of certain cancers.
Causes and who gets it
The condition is caused by a mutation in the WAS gene on the X chromosome, affecting a protein that immune cells and platelets need. Because the changed gene is on the X chromosome, it almost always affects boys. Girls can carry it without symptoms.
How doctors diagnose it
Doctors start with a physical exam, medical history, and blood tests, which usually show a low platelet count, small platelets, and low levels of certain immune proteins. Genetic testing confirms the diagnosis by finding the change in the WAS gene.
Treatment
Treatment focuses on preventing infections and controlling bleeding, using antibiotics, immunoglobulin therapy, and skin care for eczema. Platelet transfusions may be needed for serious bleeding. The most definitive treatment is a stem cell transplant, especially when done early. Gene therapy is a newer option used in some centers.
When to see a doctor
See a doctor if a child has frequent or unusual infections, ongoing eczema, or easy bruising and nosebleeds. Seek care right away for heavy bleeding, blood in the stool, a very high fever, or signs of serious infection. If it runs in the family, ask about genetic testing.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee, while a concierge doctor usually charges more and often works alongside insurance. Either kind can spend extra time with families facing a complex condition, managing routine care and coordinating specialist visits. They will refer to specialists for diagnosis workup, transplant evaluation, and advanced treatment, but can often handle everyday infections and follow-up directly.
Common questions
What treatments can cure Wiskott-Aldrich syndrome?
A stem cell transplant can replace the faulty immune system and may lead to long-term remission, especially when done early. Gene therapy is a newer option that has helped some patients. Results differ from person to person, so families should discuss the best option with their care team.
How common is Wiskott-Aldrich syndrome?
It is rare. In the United States, it is estimated to affect about one in every 50,000 to 100,000 live births. Almost all patients are boys.
Can girls have Wiskott-Aldrich syndrome?
It is very rare for girls to have symptoms. Girls can carry the changed gene and pass it to their children. Genetic testing can show whether someone is a carrier.
When do symptoms usually appear?
The condition is present from birth, but signs may not appear right away. Many children show symptoms within the first months of life. A family history can prompt earlier testing.
Sources
- MedlinePlus Genetics - Wiskott-Aldrich syndrome
- NIH Genetic and Rare Diseases Information Center - Wiskott-Aldrich syndrome
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
