Early reaction of lepromin test is read at:: (A) 24 hours, (B) 36 hours, (C) 48 hours, (D) 72 hours
Answer is C. Early reaction to lepromin test is known as Fernandez reaction. It is read after 48 hours of injecting lepromin. The reaction is a result of delayed hypersensitivity reaction to soluble constituents of the leprosy bacilli. Ref: Park 21st edition, page 294.