Chart 4. Basic regimen for the treatment of tuberculosis in children under 10 years of age.

Treatment phase	Drugs	Daily dosage, by patient weight
		≤ 20 kg	21-25 kg	26-30 kg	31-35 kg	36-40 kg	41-45 kg	≥ 45 kg
		mg/kg	mg	mg	mg	mg	mg	mg
2RHZ	Rifampin	15 (10-20)	300	450	500	600	600	600
	Isoniazid	10 (7-15)	200	300	300	300	300	300
	Pyrazinamide	35 (30-40)	750	1000	1000	1500	1500	2000
4RH	Rifampin	15 (10-20)	300	450	500	600	600	600
	Isoniazid	10 (7-15)	200	300	300	300	300	300

Source: World Health Organization.⁽¹⁷⁾