Alpers Huttenlocher Syndrome: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Alpers Huttenlocher Syndrome?
A pediatrician or family doctor is often the first to notice the warning signs. Children are usually referred to a neurologist, and may also see a genetics or liver specialist. The primary care doctor helps coordinate care. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What it is
Alpers Huttenlocher syndrome is a very rare genetic disease that affects the mitochondria, the tiny parts of cells that turn food into energy. The brain and liver need a lot of energy, so they are the organs most often hurt. The syndrome causes seizures, liver damage, and problems with thinking and movement.
Symptoms
Most children start showing signs in the first few years of life, often after a common childhood illness or fever. The most common signs include:
Seizures that are hard to control with medicine. Loss of learned skills such as sitting, walking, or speaking. Low muscle tone. Trouble with coordination and movement. Developmental delay. Liver problems, including liver failure. Vomiting, extreme tiredness, and trouble feeding can also happen.
Causes and who gets it
The syndrome is caused by changes, called mutations, in certain genes. The most common one is POLG, a gene that holds instructions for a protein that helps copy DNA inside the mitochondria. A child must get one changed copy from each parent to have the disease. Parents who carry only one changed copy usually have no symptoms.
How doctors diagnose it
Doctors start with a physical exam and a detailed history. They may order an EEG, which records the brain's electrical activity, and an MRI, which takes detailed pictures of the brain. Blood and urine tests can check liver function. Genetic testing is often used to confirm the diagnosis.
Treatment
There is no cure for Alpers Huttenlocher syndrome. Treatment focuses on easing symptoms and keeping the child as comfortable as possible. Doctors may use anti-seizure medicines, chosen carefully because some can harm the liver. Physical, speech, and occupational therapy can help with movement, communication, and daily skills. Regular checkups are needed to watch liver health.
When to see a doctor
Parents should contact a doctor if a child has seizures, loses skills they had learned, or seems unusually tired and weak. Sudden vomiting with confusion or yellowing of the skin and eyes needs medical attention right away. Early evaluation can help doctors start supportive care sooner.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance. A concierge doctor usually costs more and often works alongside insurance. Either one can spend extra time with families facing a complex diagnosis, manage routine checkups, and coordinate referrals to specialists for seizure management, genetic testing, and liver care.
Common questions
Is Alpers Huttenlocher syndrome inherited?
Yes. A child must inherit one changed copy of the gene from each parent. Parents who each carry one changed copy usually have no symptoms themselves.
Can adults get this syndrome?
It is mostly a disease of young children. However, some people do not show signs until their teenage years. Adult onset is rare.
Is there a cure?
No. There is no cure today. Treatment aims to control seizures and support the child's comfort and abilities. Outcomes vary from child to child.
Can medicines make it worse?
Some anti-seizure drugs can stress the liver, which is already at risk in this disease. Doctors choose medicines carefully and watch liver tests closely.
Sources
- MedlinePlus Genetics - Alpers-Huttenlocher syndrome
- NIH Genetic and Rare Diseases Information Center - Progressive sclerosing poliodystrophy
- National Institute of Neurological Disorders and Stroke - Alpers Huttenlocher Natural History Study
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.
