classification by clinical severity or phenotype

Last reviewed 06/2021

The nature and severity of symptoms in beta thalassaemia depends upon a number of factors including the levels of Hb-A2 and Hb-F production.

Clinically the beta-thalassaemias can be divided into:

  • thalassaemia major
  • thalassaemia intermedia
  • thalassaemia minor