IM Exposure to HBsAg Adult Recommended dose: 1,000-2,000 IU. If necessary, may increase or repeat dose.
Childn 32-48 IU/kg. Administer w/in 7 days after exposure to HBsAg (preferably w/in 48 hr).
Neonate Initially 100-200 IU. 1st dose: Administer w/in 5 days after birth (preferably w/in 48 hr). Booster dose: Administer 32-48 IU/kg between 2-3 mth after the 1st administration.