Inflammation, thrombophlebitis, pain at the inj site; rash, pruritus, urticaria; abdominal pain, nausea, vomiting, diarrhea, pseudomembranous colitis; reversible thrombocytopenia, eosinophilia, thrombocytopenia, leucopenia & neutropenia, haemolytic anemia, direct or indirect positive Coombs' test; increased serum bilirubin conc, transaminases, alkaline phosphatase & lactic dehydrogenase; headache, paraesthesiae; oral & vag candidosis. Potentially, erythema multiforme, Stevens-Johnson syndrome & toxic epidermal necrolysis.