This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pharmacology
[{'content': 'Macrocytic anemia is noted with all of the following except \nSelect and explain. \nA. Phenytoin, B. Methotrexate, C. Pyrimethamine, D. Ciprofloxacin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Except ciprofloxacin all the other three given drugs induce folate deficiency and result in macrocytic anemia. From medical pharmacology padmaja 4th edition Page no 331', 'role': 'assistant'}]