
WHO Categories of PTB Category I Category II Category III
Signs & Symptoms Sputum examination (+)/(+) (+)/(-) 3x (+)/(+) (+)/(-) 3x
Diagnosis Far Advanced PTB FAPTB who has started treatment but prematurely stopped Relapse PTB Re-treatment Minimal PTB
Chest x-ray result Extensive pulmonary infiltration Minimal pulmonary infiltration
Treatment 6 months regimen 8 months regimen 4 months regimen
Treatment Schedule 1st 2 months: RIPE Last 4 months: RI *E given once a day 1st 2 months: RIPES 3rd month: RIPE 4-8th month: RIE 1st 2 months: RIP Last 2 months: RI For SCC Treatment: 2 months RIP 4 months RI