Table.

Recommended therapies and dosages for TB preventive therapies, adapted from¹⁷

Regimen	Dose by weight band
1 month of daily INH + RPT (1HP): 28 doses	Age ≥13 years (regardless of weight band)
	INH 300 mg/day
	RPT 600 mg/day
3 months of weekly INH + RPT (3HP): 12 doses	Age 2–14 years
	Medicines/formulations	10–15 kg	16–23 kg	24–30 kg	31–34 kg	>34 kg
	INH 100 mg*	3	5	6	7	7
	RPT 150 mg	2	3	4	5	5
	Age >14 years
	Medicines/formulations	30–35 kg	36–45 kg	46–55 kg	56–70 kg	>70 kg
	INH 300 mg	3	3	3	3	3
	RPT 150 mg	6	6	6	6	6
	*300 mg can be used to reduce the pill burden
3 months of daily INH + RIF (3HR): ∼90 doses	INH:
	Age ≥10 years: 5 mg/kg/day
	Age <10 years: 10 mg/kg/day (range 7–15 mg)
	RIF:
	Age ≥10 years: 10 mg/kg/day
	Age <10 years: 15 mg/kg/day (range 10–20 mg)
4 months of daily RIF (4R): ∼120 doses	Age ≥10 years: 10 mg/kg/day
	Age <10 years: 15 mg/kg/day (range 10–20 mg)
6 or 9 months of daily INH therapy (6H, 9H): ∼180 or 270 doses	Age ≥10 years: 5 mg/kg/day
	Age <10 years: 10 mg/kg/day (range 7–15 mg)

INH = isoniazid; RPT = rifapentine; RIF = rifampicin.