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. 2017 Nov-Dec;43(6):472–486. doi: 10.1590/S1806-37562016000000388

Chart 2. Treatment regimen for all new cases of all forms of pulmonary and extrapulmonary tuberculosis (except meningoencephalitis), as well as for all cases of relapse and return after default.a .

Regimenb Drugs (mg/tablet)c Body weight, kg Dose
2RHZE Intensive phase RHZE (150/75/400/275) ≤ 20 10/10/35/25 mg/kg/day
20- 35 2 tablets
36-50 3 tablets
> 50 4 tablets
4RH Maintenance phase RH (150/75) ≤ 20 10/10 mg/kg/day
20-35 2 tablets
36-50 3 tablets
> 50 4 tablets

R: rifampin; H: isoniazid; Z: pyrazinamide; and E: ethambutol. aThe drugs are given as fixed-dose combination tablets. bThe number preceding the acronym indicates duration of treatment in months. cThe dose of each drug in mg in each tablet is listed below its corresponding letter in the acronym.