This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antibiotics, Subject name: Pharmacology
[{'content': 'Drug not used in the treatment of Mycobacterium avium complex? \nSelect and explain. \nA. Clarythromycin, B. Ethambutol, C. Azithromycin, D. Rifampicin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Rifabutin is preferred since MAC infection is generally associated with HIV and rifampicin has enzyme inducer activity with anti-HIV drugs.Ref: KD Tripathi 3rd ed; P: 750', 'role': 'assistant'}]