A 50-year-old alcoholic with poor dentition comes in with 1 week of chest wall pain, fevers, and chills. A lesion from the left side of his chest is draining serosanguinous fluid and laboratory analysis shows a gram-positive branching rod. What is the most likely diagnosis? What is the appropriate antibiotic therapy?

A 50-year-old alcoholic with poor dentition comes in with 1 week of chest wall pain, fevers, and chills. A lesion from the left side of his chest is draining serosanguinous fluid and laboratory analysis shows a gram-positive branching rod. What is the most likely diagnosis? What is the appropriate antibiotic therapy?



Answer: Actinomyces, penicillin


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