Which types of chronic iron overload is desferrioxamine mesilate (Desferal) indicated to treat?

Desferrioxamine mesilate (Desferal) treats chronic iron overload, including transfusional haemosiderosis in patients receiving regular transfusions and primary or secondary haemochromatosis when concomitant disorders, such as severe anaemia, hypoproteinaemia, renal or cardiac failure, preclude phlebotomy.