PTB DRUG CATEGORIES

CATEGORY 1
NEW PTB Pts with sputum (+)
Seriously ill pts with severe forms of:
Smear (-) PTB with extensive parenchymal involvement
Extra pulmonary TB

INTENSIVE PHASE

2 months
Rifampicin
INH
Pyrazinamide
Ethambutol

MAINTENANCE PHASE

4 months
Rifampicin
INH


CATEGORY 2
Relapse
Failures
Others

INTENSIVE PHASE

2 months
Rifampicin
INH
Pyrazinamide
Ethambutol
Streptomycin

1 month
Rifampicin
INH
Pyrazinamide
Ethambutol


MAINTENANCE PHASE

5 months
Rifampicin
INH
Ethambutol


CATEGORY 3
NEW PTB Pts with sputum smear (-) 3x & CXR result of TB minimal
Failures

INTENSIVE PHASE

2 months
Rifampicin
INH
Pyrazinamide

MAINTENANCE PHASE

2 months
Rifampicin
INH

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