Exacerbation of lesions in patients of borderline leprosy is seen in -: (A) ENL (erythema nodosum leprosum), (B) Lepra reaction type I, (C) Jarisch-Herheimer reaction, (D) Resolving leprosy
Answer is B. Type 1 or reversal reaction occurs in paucibacillary or multibacillary cases in unstable types like BT,BB,BL ENL is seen only in MB cases like BL and LL type only Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 342