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: Physiology
[{'content': 'For lymphogranuloma venereum the drug of choice is \nSelect and explain. \nA. Ceftriaxone, B. Erythromycin, C. Doxycycline, D. Ampicillin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Lymphogranuloma venereum causes potentially severe infections with possibly irreversible sequels if adequate treatment is not begun promptly. Early and accurate diagnosis is essential. Doxycycline is the drug of choice. Pregnant and lactating women should be treated with erythromycin or azithromycin. Ref kd tripati 6/e p570', 'role': 'assistant'}]