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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Type-I lepra reaction is commonly seen in:
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The correct answer is  type 1 reaction /reversal reaction is a delayed hypersensitivity reaction associated with a rapid increase in specific CMI activity against M.leprae. It usually occurs in borderline types of leprosy, (BB>BT >BL)characteristically associated with immunological instability. Page no.2046Reference IADVL's concise textbook of dermatology