What is A known case of Lepromatous Leprosy was initiated on treatment.He developed new painful,erythematous papules over the body along with fever and lymphadenopathy. What is the likely diagnosis? and explain in detail?
Fever,Lymphadenopathy appearance of new skin lesions are suggestive of Type II Lepra reaction (or down grading reaction) which is caused by Type III hypersensitivity.