Nausea, vomiting, anorexia; neutropenia, thrombocytopenia; allergic skin reactions eg, rash, urticaria; SJS, TEN, DRESS, acute generalised exanthematous pustulosis, exfoliative dermatitis, serum sickness, allergic myocarditis, periarteritis nodosa, +ve lupus erythematous phenomenon; dysuria, oliguria, anuria, haematuria, urgency & functional kidney changes; anorexia; aseptic meningitis, seizures, peripheral neuritis, ataxia, vertigo, tinnitus, headache; insomnia, apathy, nervousness, mental depression, hallucinations; arthralgia, myalgia, muscle weakness; cough, shortness of breath, pulmonary infiltrates, acute eosinophilic pneumonia, acute resp failure; weakness, fatigue, pain, local irritation, inflammation, thrombophlebitis; hypotension.