Oesophageal ulcer, oesophagitis, nausea, vomiting, abdominal pain, diarrhoea; leucopenia, eosinophilia, agranulocytosis, thrombocytopenia; anaphylactoid reactions; maculopapular rash, urticaria; pruritus, vaginitis; jaundice; LFTs abnormalities; dysgeusia; local irritation, pain, abscess formation (IM inj); thrombophlebitis (IV inj).