A 67-year-old homeless man reports to the physician with a 1-week history of a productive cough, shortness of breath and high fever. He denies alcohol, drug, or tobacco use. The patient says that the onset of symptoms was sudden. X-ray of the chest shows a large left lower lobe opacity. Which of the following antibiotics would best initially treat this patient’s infection?
First Aid Q&A for Step1 [2nd edition]©
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