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: Medicine
Which of the following infectious disease is treated using multidrug therapy? 
Select and explain. 
A. Syphilis, B. Leprosy, C. Typhoid, D. None of the above
B: Leprosy
Answer: B: Leprosy 
Explanation: Among the options given in the question, multidrug therapy is indicated in the treatment of leprosy. Rifampicin, Dapsone and Clofazimine are drugs used in its treatment. Reference: Essentials of Medical Pharmacology by K D Tripathi, 5e page 713.