CNS, systemic, resp & blood disorders, CV disease, inflammation, thrombophlebitis, pain & edema; diarrhea, constipation, abdominal pain, nausea/vomiting, headache, pseudomembranous colitis, apnea; rash, pruritus, urticaria, sweating, erythema multiforme, SJS & epidermal necrolysis; increase in serum concentration of bilirubin transaminases, alkaline phosphatase, & lactic dehydrogenase; paresthesia, leucopenia, oral & vag candidiasis.