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When infections are caused by antibiotic-susceptible Acinetobacter isolates, you should take a broad-spectrum cephalosporin (ceftazidime or cefepime), a combination beta-lactam/beta-lactamase inhibitor (ie, one that includes sulbactam), or a carbapenem (eg, imipenem, meropenem, or doripenem). If it is resistant to them, you should take polymyxins and possibly tigecycline. You should talk to your doctor or an infection specialist (ID doctor).