This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Social & Preventive Medicine
[{'content': 'A sewage worker with fever and jaundice presented to the emergency depament. Lab investigations revealed increased blood urea nitrogen and serum creatinine - indicative of renal failure. Which of the following antibiotics is preferred in this patient? \nSelect and explain. \nA. Erythromycin, B. Doxycycline, C. Penicillin G, D. Ciprofloxacin', 'role': 'user'}, {'content': "Answer: C \nExplanation: The history of fever and jaundice in a sewage worker with features of renal failure is suggestive of Weil's disease Intravenous penicillin G is the preferred antibiotic for treatment of Weil's disease Erythromycin can be used as an alternative In mild cases of leptospirosis, oral therapy with ampicillin / tetracycline is given Doxycycline is used for prophylaxis against leptospirosis Ref : Park's Textbook of Preventive medicine", 'role': 'assistant'}]