GI disturbances eg, nausea, vomiting, diarrhea, abdominal pain, dyspepsia; CNS effects eg, headache, anorexia, flatulence, bilirubinemia, dizziness & restlessness; tremor, drowsiness, insomnia, agitation, confusion, unpleasant dreams, visual & other sensory disturbances, hallucinations, depression, convulsions, eosinophilic meningitis, acute psychoses, peripheral neuropathy, dysaesthesia, catatonia, hemiparesis, tinnitus. Rash, pruritus, photosensitivity, vasculitis, erythema multiforme, SJS, TEN, laryngeal edema & anaphylaxis. Transient elevation of serum creatinine, BUN & liver enzyme values, acute renal failure secondary to interstitial nephritis, crystalluria, jaundice, moniliasis, asthenia, hepatitis, eosinophilia, leukopenia, thrombocytopenia, pancytopenia, hemolytic anemia or agranulocytosis, myalgia & gynecomastia; tachycardia, edema, syncope, hot flushes & sweating; pseudomembranous colitis & superinfection w/
Candida,
Clostridium difficile &
Strep pneumoniae.