Dosing*†
Agent	Preparation	Patient group	Once daily	Once per week	Twice per week	Three times per week
Ethambutol (Myambutol)	Tablets (100 and 400 mg)	Adults	See Table 5	—	See Table 5	See Table 5
		Children‡	5 to 20 mg per kg (up to 1 g per dose)	—	50 mg per kg per dose (up to 2.5 g per dose)	—
Isoniazid (INH)	Tablets (50, 100, and 300 mg), elixir (50 mg per 5 mL), aqueous solution for IV or IM injection (100 mg per mL)	Adults	5 mg per kg (up to 300 mg per dose)	15 mg per kg (up to 900 mg per dose)	15 mg per kg per dose (up to 900 mg per dose)	15 mg per kg per dose (up to 900 mg per dose)—
		Children	10 to 15 mg per kg (up to 300 mg per dose)	—	20 to 30 mg per kg per dose (up to 900 mg per dose)	—
Pyrazinamide	Tablets (500 mg, scored)	Adults	See Table 5	—	See Table 5	See Table 5
		Children	15 to 30 mg per kg (up to 2 g per dose)	—	50 mg per kg per dose (up to 2 gper dose)	—
Rifabutin (Mycobutin)	Capsules (150 mg)	Adults§	5 mg per kg (up to 300 mg per dose)	—	5 mg per kg per dose (up to 300 mg per dose)	5 mg per kg per dose (up to 300 mg per dose)
		Children||	Unknown	Unknown	Unknown	Unknown
Rifampin (Rifadin)	Capsules (150 and 300 mg; powder may be suspended for oral administration), aqueous solution for IV injection	Adults§	10 mg per kg (up to 600 mg per dose)	—	10 mg per kg per dose (up to 600 mg per dose)	10 mg per kg per dose (up to 600 mg per dose)
		Children	10 to 20 mg per kg (up to 600 mg per dose)	—	10 to 20 mg per kg per dose (up to 600 mg per dose)	—
Rifapentine (Priftin)¶	Tablets (150 mg, film-coated)	Adults	—	10 mg per kg (up to 600 mg per dose)	—	—
		Children**	—	—	—	—