Maculopapular rash & urticaria, generalized mild to moderate morbili form-like skin rashes, SJS, & anaphylaxis; colitis associated w/ antibiotics, abdominal pain, nausea, vomiting, diarrhea, & metallic taste in the mouth or bad taste after administration of high doses IV; jaundice, abnormal liver functions tests; renal dysfunction eg, azotemia, oliguria, &/or proteinuria; neutropenia (leucopenia) & eosinophilia; pruritis, vaginitis.