Eosinophilia, dizziness, diarrhea, increased transaminase levels & thrombophlebitis. Fungal infections of oral mucosa membrane, stomatitis, pseudomembranous colitis; thrombocytopenia, leucopenia, increased platelet, leukocytosis, neutropenia, anemia, prolonged bleeding time, speckled skin or mucosal bleeding (purpura); hypersensitivity reaction, anaphylactic shock; headaches, seizures; vomiting, stomach upset, GI pain, nausea, decreased appetite & bleeding; increased serum bilirubin conc; SJS, TEN; muscle cramps; increased serum creatinine, interstitial nephritis; inj site pain.