Infection; leukopenia, thrombocytopenia, lymphopenia; headache; nausea, vomiting; mucosal inflammation, fatigue, pyrexia; decreased Hb, increased creatinine & urea. Tumor lysis syndrome; haemorrhage, anaemia, neutropenia; hypersensitivity; insomnia, dizziness; arrhythmia, cardiac dysfunction eg, palpitations, angina pectoris; hypotension, HTN; pulmonary dysfunction; diarrhoea, constipation, stomatitis; alopecia, skin disorders, urticaria; amenorrhea; pain, chills, dehydration, anorexia; increased AST, ALT, alkaline phosphatase & bilirubin, hypokalemia.