This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
Anti Leprotic drug useful for lepra reactions 
Select and explain. 
A. Dapsone, B. Rifampicin, C. Minocycline, D. Clofazamine
D: Clofazamine
Answer: D: Clofazamine 
Explanation: Lepra reactions occur due to hypersensitivity reaction to dapsone.Two types are known type 1 lepra reaction is treated usingcoicosteroids and clofazamine and type 2 with Clofazamine - an anti-inflammatory drug apa from thalidomide and coicosteroids, chloroquine,aspirin,cholchicine. Ref: KD Tripathi 8th ed.