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
All of the following antimicrobials need dose reduction even in mild renal failure except - 
Select and explain. 
A. Ciprofloxacin, B. Clindamycin, C. Cefotaxime, D. Ethambutoles
B: Clindamycin
Answer: B: Clindamycin 
Explanation: Ans. is 'b' i.e., Clindamycin o Clindamycin does not require dose adjustment in renal failure.