alatrofloxacin/trovafloxacin, a broad-spectrum quinolone antibiotic. ▪ INDICATIONS: This drug is used to treat nosocomial pneumonia, community-acquired pneumonia, chronic bronchitis, acute sinusitis, complicated intraabdominal infections, infections of the skin and skin structure, urinary tract infections, chronic bacterial prostatitis, urethral gonorrhea in males, pelvic inflammatory disease, and cervicitis caused by susceptible organisms. ▪ CONTRAINDICATIONS: Known hypersensitivity to quinolones, seizure disorders, cerebral atherosclerosis, and photosensitivity prohibit the use of this drug. ▪ ADVERSE EFFECTS: Life-threatening side effects include pseudomembranous colitis and thrombocytopenia. Other adverse effects include headache, dizziness, insomnia, anxiety, nausea, flatulence, vomiting, diarrhea, abdominal pain, vaginitis, crystalluria, rash, pruritus, and photosensitivity.