Which of the following infectious disease is treated using multidrug therapy?: (A) Syphilis, (B) Leprosy, (C) Typhoid, (D) None of the above
Answer is B. 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.