This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'All the following are used in the treatment of Pneumocystis carinii except: \nSelect and explain. \nA. Pentamidine, B. Dapsone, C. Cotrimoxazole, D. Fluoroquinolones', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer is D (Fluoroquinolones): Fluoroquinolones are not used in the treatment (. P. carinii infection. Drugs used for treatment of Pneumocystis carinii infection include: Agent Disease First choice drug Second choice Third choice Pneumocystis carinii Mild to moderate pneumonia Trimethoprim Sulfamethoxazole Trimethoprim -- Dapsone Clindamycin -- Primaquine Atovaquone Sever pneumonia Trimethoprim Sulfamethoxazole Pentamidene Clindamycin-Primaquine Trimetroxate Drug of choice for all forms of pneumocystosis: Trimethoprim-Sulfamethoxazole (Cotrimoxazole)', 'role': 'assistant'}]