A 42-year-old cisgender man with HIV who has been out of medical care presents with a 2-week history of cough and dyspnea on exertion. He is not taking any medications. Oxygen saturation is normal at rest but decreases to 92% with ambulation. A chest radiograph (Figure 1) reveals perihilar infiltrates, more prominent on the left. An arterial blood gas demonstrates partial pressure of arterial oxygen (PaO2) of 86 mm Hg and alveolar-arterial gradient (A-a gradient) of 28 mm Hg. A diagnosis of Pneumocystis pneumonia is strongly suspected (and subsequently confirmed). He has no known medication allergies.
Which one of the following would you recommend to treat this man with Pneumocystis pneumonia?
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Question Last Updated
September 28th, 2023
September 28th, 2023
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