Diarrhea, constipation, nausea, vomiting, dyspepsia, abdominal pain; fever, inj site reactions, rigors; anaphylaxis, candidiasis, pseudomembranous colitis; hypoglycemia; myalgia, arthralgia, headache; insomnia; rash including maculopapular, bullous & urticaria, pruritus, purpura; phlebitis, thrombophlebitis, hypotension, flushing; epistaxis. Nosocomial pneumonia: Thrombocytopenia, anemia, thrombocythemia, eosinophilia; stomatitis; oral candidiasis, candidiasis; increased BUN, blood creatinine, ALT, AST, alkaline aminotransferase, abnormal LFT; hypokalemia, renal failure. Nephrotoxicity.