American Academy of Pediatrics |
Single intramuscular dose of 0.5 to 1 mg |
Canadian Paediatric Society, Committee on Child and Adolescent Health, College of Family Physicians of Canada. |
Single intramuscular dose of 0.5 mg (birthweight =1,500 g) or 1.0 mg (birthweight >1,500 g) within the first 6 h after birth |
UK Department of Health in 1998 |
Single intramuscular or oral dose of 400 μg/kg (babies <2.5 kg) or 1 mg (babies >2.5 kg) |
Italian Society of Neonatology (two alternatives) |
- Single intramuscular dose of 0.5 mg at birth, followed by 25 μg/die orally from the 2nd to the 14th week. |
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- Single intramuscular dose of 2 mg at birth, followed by 25 μg/die from the 7th day to the 14th week |