MDR TB must be treated for at least ?: (A) 12 months, (B) 18 months, (C) 20 months, (D) 36 months
Answer is C. Ans. is 'c' i.e., 20 months Resistance (or intolerance) to H Throughout (6) RZE Resistance (or intolerance) to R Throughout (12-18) HZEQ Resistance to H + R Throughout (at least 20 months) ZEQ + S (for another injectable agents) Resistance to all first-line drugs Throughout (at least 20 months 1 injectable agent + 3 of of these 4 ethionamide cycloserine, Q, PAS Intolerance to Z HRE