MDT Regimens

What is the duration of multidrug therapy (MDT) for paucibacillary leprosy as per WHO guidelines?

A 35-year-old man from rural Maharashtra presents with a single hypopigmented macule on his left forearm with loss of sensation. Slit-skin smear shows 2+ acid-fast bacilli. What is the drug of choice for MDT in this patient?

A 42-year-old woman from Delhi presents with multiple erythematous nodules, ill-defined plaques on her face, trunk, and limbs. Slit-skin smear shows 5+ acid-fast bacilli. She has no neurological signs yet. What is the preferred MDT regimen?

A 35-year-old man from rural Maharashtra presents with hypopigmented macules on his face and trunk with loss of sensation. Slit-skin smear shows 4+ acid-fast bacilli. Which is the most common MDT regimen used for his classification of leprosy in India?

A 45-year-old woman from Odisha presents with multiple ill-defined hypopigmented macules and plaques on her face, trunk, and limbs. Slit-skin smear from the lesion shows 5+ acid-fast bacilli. Lepromin test is negative. She has bilateral symmetrical thickening of the ulnar, median, and peroneal nerves. What is the most appropriate MDT regimen and expected duration of therapy?