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: Pharmacology
[{'content': 'Which does not cause pseudomembranous enterocolitis ? \nSelect and explain. \nA. Vancomycin, B. Levofloxacin, C. Clindamycin, D. Ceftazidime', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Vancomycin o Antibiotics associated with Pseudomembranous Colitis ? 1) Clindamycin 2) Ampicillin 3) Cephalosporins (Cefotaxime, Ceftriaxone, Cefuroxime, Ceftazidime) 4) Fluoroquinolones (Ciprofloxacin, Levofloxacin, Moxifloxacin)", 'role': 'assistant'}]