New smear positive TB
Category I
2 HRZE + 4 HR
New smear negative PTB with extensive parenchymal involvement
Category I
2 HRZE + 4 HR
New smear negative PTB without extensive parenchymal involvement
Category III
2 HRZ + 4 HR
New case of severe forms of extrapulmonary TB
Category I
2 HRZE + 4 HR
New case of less severe forms of extrapulmonary TB
Category III
2 HRZ + 4 HR
Relapse
Category II
2 HRZES + 1 HRZE + 5 HRE
Failure
Category II
2 HRZES + 1 HRZE + 5 HRE
After interruption
Category II
2 HRZES + 1 HRZE + 5 HRE
Treatment failure: after __ months
5 months
Return after default: after interruption of __ months or more
2 months