Alagille syndrome in adults
Alagille syndrome (ALGS) is a rare genetic condition. It mainly affects the liver, but can also affect other parts of the body, including the heart, kidneys, eyes, face, skeleton and blood vessels.
The information on this page is for:
- Adults with Alagille syndrome.
- Parents of children with Alagille syndrome or suspected Alagille syndrome.
- Young people with Alagille syndrome.
- Family, friends, carers, and healthcare professionals.
On this page:
Adults with Alagille syndrome
Alagille syndrome is usually diagnosed early in life, with most children treated in paediatric services. Thanks to better treatments, many children grow up to be adults and move (transition) to adult health services. They keep having regular check-ups, blood tests and scans throughout their lives.
Some children with Alagille syndrome need a liver transplant before they become adults and others may need one later. After a liver transplant, they no longer have the liver problems caused by Alagille syndrome. But they still need care for other health issues linked with the condition. They also need to take medicines and have regular check-ups to keep their new liver healthy.
A small number of people are not diagnosed with Alagille syndrome until they are adults. This usually happens when there are no clear signs or symptoms during childhood. Adults may be diagnosed if they develop symptoms, or if they are tested for something else. A diagnosis can also happen if they have a child or family member with the condition and undergo genetic testing.
Adults are diagnosed and treated in a similar way to children. A team of specialists will check for issues with different parts of the body, including the liver, heart, eyes, kidneys, skeleton and blood vessels. Support and treatment for liver problems will depend on symptoms and complications and may include dietary support, medicines and surgery.
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This content was last reviewed: July 2026
Our expert reviewers:
We would like to thank everyone who helped with creating and reviewing this page. Including Professor Alistair Baker, Consultant Paediatric Hepatologist, King’s College and Lindsay Hogg, Principal Specialist Nurse, Birmingham Women’s and Children’s Hospital. And all our parent and family reviewers.
Find out how we make our patient information.
Everyone’s experience of liver disease will be different. Always talk to your specialist medical team for personal advice.
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