Hypokalemia; diarrhoea, nausea. Clostridium colitis, candidiasis; thrombocytopenia, thrombocythaemia; hyperkalaemia, hyperglycaemia, hypomagnesaemia, hypercalcaemia, hypernatraemia; convulsion, headache; atrial fibrillation, ventricular extrasystole; HTN; bronchospasm; vomiting, constipation; cholestasis; rash, pruritus; back pain; increased ALT, AST, blood creatinine, urea, alkaline phosphatase & bilirubin, abnormal LFT, decreased blood Mg.