A patient with leprosy had slightly erythematous, anesthetic plaques on the trunk and upper limbs. He was treated with paucibacillary multidrug therapy (PB -MDT) for 6 months. At the end of 6 months, he had persistent erythema and induration in the plaque. The next step of action recommended by the World Health Organization (WHO) in such a patient is -: (A) Stop antileprosy treatment, (B) Continue PB-MDT till erythema subsides, (C) Biopsy the lesion to document acitivity, (D) Continue dapsoen alone for another 6 months
Answer is A. None