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. Vancomyc in, C. Clindamycin, D. Chloramphenicol
C: Clindamycin
Answer: C: Clindamycin 
Explanation: Ans. c. Clindamycin