Inflammation, thrombophlebitis, inj site pain; rash, pruritus, urticaria; abdominal pain, nausea, vomiting, diarrhoea, pseudomembranous colitis; reversible thrombocythemia, eosinophilia, thrombocytopenia, leucopenia, neutropenia; increases in serum bilirubin, transaminases, alkaline phosphatase & lactic dehydrogenase conc; headache, paresthesia; oral & vag candidiasis.