Sepsis, pneumonia, infection; bone marrow failure, thrombocytopenia, anaemia, megaloblastic anaemia, leukopenia, decreased reticulocyte count; stomatitis, mouth ulceration, anal ulcer & inflammation, diarrhoea, vomiting, nausea, abdominal pain; abnormal hepatic function; alopecia, rash; cytarabine syndrome; pyrexia; abnormal bone marrow biopsy & blood smear test. Anorexia; bleeding, thrombophlebitis; skin ulceration. Cerebral & cerebellar disorder, somnolence; haemorrhagic conjunctivitis, corneal disorder; acute resp distress syndrome, pulmonary oedema. Necrotising colitis; skin rash leading to desquamation.