Rash & hypersensitivity reactions (discontinue immediately), nausea, vomiting, diarrhoea, intermittent abdominal pain, fever/chills, arthralgia, cholestatic jaundice, eosinophilia, mild leucocytosis, leukopenia, ecchymosis, headache, myopathy, peripheral neuropathy, neuritis, paresthesia, somnolence.