Haemophagocytic lymphohistiocytosis (HLH)

This information is designed to help answer questions families may have about the condition called haemophagocytic lymphohistiocytosis (HLH).

The content has been produced jointly between Immunodeficiency UK, Great Ormond Street Hospital (GOSH) and the Great North Children’s Hospital and in association with Histio UK. The information has been reviewed by our Patient Representative Panel and endorsed by our Medical Panel but should not
replace advice from a clinical immunologist or a geneticist.