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: Social & Preventive Medicine
[{'content': 'For treatment of extended drug resistance which of the following drugs are used EXCEPT? \nSelect and explain. \nA. Rifampicin, B. INH, C. Moxifloxacin, D. Capreomycin', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'A' RifampicinMDR-TB is defined as resistance to at least both INH and rifampicin. Previously it was classified as Category IV under DOTS (DOTS-PLUS).The treatment is given in two phases, the intestive phase (IP) and the continuation phase (CP). The total duration of treatment for regimen for MDR-TB is 24-27 months, depending on the IP durationRegimen is :-Intensive phase (6-12 months) : Seven drugs : Capreomycin, PAS, moxifloxacin, high dose INH, clofazimine, Linezolid, amoxyclay.Continuation phase (18 months) : Six drugs : PAS, moxifloxacin, high dose INH, clofazimine, linezolid, amoxyclay.", 'role': 'assistant'}]