<prompt> Thalidomide is useful in which of the following conditions?Treatment of leprosyTreatment of type II lepra reactionTreatment of type I lepra reactionTreatment of neuritic leprosy  <response>: Lepra Reaction TYPE 1 LEPRA REACTION TYPE 2 LEPRA REACTION - It is also known as reversal reaction. - It is seen in TT and BL cases of leprosy. - Drug of choice is coicosteroids. Alternative is clofazimine. - Thalidomide is ineffective. - It is also known as erythema nodosum leprosum. - It is seen in LL cases of leprosy. - Drug of choice is coicosteroids. Alternative is clofazimine. - Thalidomide is useful in severe cases. 