This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Medicine
[{'content': 'All are useful for management of severe Clostridium difficle treatment except - \nSelect and explain. \nA. Intravenous metronidazole, B. Neomycin enema, C. Fecal transplant, D. Tigecycline', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Neomycin enema Treatment of nonsevere Clostridium diffid-assodateddiarrhea in adultsInitial episodeo Mild diseaseo Severe diseaseo Severe complicated or fulminant- metronidazole- vancomycin- vancomycinFirst relapseo Confirm diagnosis.o If symptoms are mild, conservative management may be appropriate,o If antibiotics are needed, repeat treatment as in initial episode above,o Alternative: ftdaxomicin 200 mg orally twice daily for 10 days.Second relapseo Confirm diagnosis# Repeat vancomycin taper/pulseMultiple recurrences# Repeat vancomycin taperv'pulse# Vancomycin# Nitazoxanide# Fecal microbiota transplantation# IV immunoglobulin", 'role': 'assistant'}]