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
In leprosy, the best bactericidal agent is : 
Select and explain. 
A. Clofazimine, B. Dapsone, C. Rifampicin, D. Ethionamide
C: Rifampicin
Answer: C: Rifampicin 
Explanation: Best and the fastest acting drug for leprosy is rifampicin.
Clofazamine and dapsone are bacteriostatic agents.