Rash, pruritus, fever, diarrhea, nausea, vomiting, constipation, abdominal pain, gastric disturbances, chest pain, tachycardia, cough, sore throat, dyspnea, headache, dizziness, vaginitis, peripheral edema, back pain, encephalopathy, seizure, muscle cramp, kidney failure, anaphylactic reactions, transient leucopenia, neutropenia, agranulocytosis, thrombocytopenia, phlebitis & inflammation at inj site, urticaria, SJS, erythema multiforme, TEN, colitis, kidney dysfunction, toxic nephropathy, aplastic anemia, hemolytic anemia, bleeding, convulsion, impaired liver function including cholestasis, false +ve in urine glucose test result.