IT IS RECOMMENDED FOR USE IN INFANTS FROM BIRTH OR IN CHILDREN OF ANY AGE AT THE TIME OF DIAGNOSIS, GIVEN EVERY 7 DAYS AS AN INTRAMUSCULAR INJECTION. THE RECOMMENDED DOSING SCHEDULE IS 10 U/KG FOR THE FIRST DOSE, 15 U/KG FOR THE SECOND DOSE, AND 20 U/KG FOR THE THIRD DOSE.
THE USUAL MAINTENANCE DOSE IS 20 U/KG PER WEEK. FURTHER INCREASES OF 5 U/KG/WEEK MAY BE NECESSARY, BUT A MAXIMUM SINGLE DOSE OF 30 U/KG SHOULD NOT BE EXCEEDED.