TB Drug Regimens

New cases over 8 yrs old

Pre-treatment body weight
Iitial phase (2 months)
Continuous phase

RHZE

150, 75, 400, 275 mg

RH

150, 75 mg

RH

300, 150 mg

30-37 kg
2 tablets
2 tablets
-
38 - 54kg
3 tablets
3 tablets
-
55 - 70 kg
4 tablets
-
2 tablets
>70 kg
5 tablets
-
2 tablets

R= rifampacin; H= isoniazid; Z= pyrazinamide; E=ethambutol

New cases up to the age of 8 years

Pre-treatment body weight Iitial phase (2 months) Continuous phase
RHZ 60, 30, 150 mg RH 60 , 30 mg
3 - 4 kg
1/2 tablet
1/2 tablet
5 - 7 kg
1 tablet
1 tablet
8 - 9 kg
1 1/2 tablet
1 1/2 tablet
10 - 14 kg
2 tablets
2 tablets
15 - 19 kg
3 tablets
3 tablets
20 - 24 kg
4 tablets
4 tablets
25 - 29 kg
5 tablets
5 tablets

R= rifampacin; H= isoniazid; Z= pyrazinamide

(From South African Medicines Formulary 8th Edition Page 302)