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
Drug–induced colitis is most frequently associated with : 
Select and explain. 
A. Neomycin, B. Vancomycin, C. Clindamycin, D. Chloramphenicol
C: Clindamycin
Answer: C: Clindamycin 
Explanation: None