About this information
This NHS content is written for people in England. Services, entitlements and contact routes may differ in other countries.
Read information on hereditary haemorrhagic telangiectasia (Osler-Weber-Rendu syndrome), including symptoms, causes and how it's treated.
Content supplied by the NHS website, refreshed 20 August 2026. View the original NHS article ↗
Licensed under the Open Government Licence v3.0 ↗. MyPHU is independent and is not endorsed by the NHS.