Inflammation, thrombophlebitis, pain at inj site, angioedema, anaphylaxis, rash, pruritus, urticaria, abdominal pain, nausea, vomiting, diarrhea, pseudomembranous colitis, reversible thrombocythaemia, eosinophilia, thrombocytopenia, leucopenia, neutropenia, increases in serum conc of bilirubin, transaminases, alkaline phosphatase & lactic dehydrogenase, headache, paraesthesiae, convulsion, oral & vag candidiasis.