Isoniazid 300 mg PO q24h
PLUS
Rifampin 600 mg PO q24h
Ethambutol 15-20 mg/kg PO q24h (max 1,600 mg)
Pyrazinamide 1,500 mg PO q24h x2m
THEN
Rifampin 600 mg PO q24h x4m