<prompt> Isoniazid child dose in DOTS regimene RNTCP-10-15 mgkgdg15-20mgkgdg20-25 mgkgdg5-10mgkgdg  <response>: Ans. is a i.e., 10 -15 mgkgdgTreatment scheduleCategory-1:Newly diagnosed sputum positive pulmonary tuberculosisSputum negative pulmonary tuberculosis with extensive parenchymal involvement,Severe form of extrapulmonary tuberculosisCategory-2 :Treatment failure casesRelapse casesReturn after interruptionCategory-3 sputum negative pulmonary tuberculosis with minimal involvementLess severe form of extrapulmonary tuberculosisDrug Regimen Category- 1: 2 H3 R3 Z3 E3 4 H3 R3 Category- 2: 2 S3 H3 R3 Z3 E3 1 H3 R3 Z3 E3 5 H3 R3 E3 Category- 3: 2 H3 R3 Z3 4 H3 R3DrugDose in mg thrice a week in adultsDose in mg per kg bodyweight thrice a week in childrenIsoniazid60010-15Rifampiein45010Pyrazinamide150035Ethambutol120030Streptomycin75015 