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Six years' experience of prophylactic oral vitamin K
  1. Unni Wariyara,
  2. Stephen Hiltona,
  3. Julie Paganb,
  4. Win Tinb,
  5. Edmund Heya
  1. aNorthumberland Health Authority, Morpeth, bDepartment of Paediatrics, South Cleveland Hospital, Middlesbrough
  1. Dr U K Wariyar, Department of Paediatrics, Royal Victoria Infirmary, Newcastle upon Tyne NE4 1LP. Email:u.k.wariyar{at}


AIMS The ability of oral vitamin K to eliminate all risk of vitamin K deficiency bleeding during the first three months of life was studied.

METHODS Babies (n=182 000) in the north of England judged well enough to be offered milk within 12 hours of birth were given 1 mg of phytomenadione (vitamin K1) suspended in a medium chain triglyceride oil by mouth at delivery between 1993 and 1998. The parents of those who were breastfed were given a further three doses to give to the baby once every two weeks after discharge.

RESULTS Four breastfed babies developed late vitamin K deficiency bleeding. In two, staff failed to follow policy guidelines, and in two there was undiagnosed α1 antitrypsin deficiency. Audit suggested that 93% of breastfed babies had all four doses, as advised.

CONCLUSIONS An oral product that parents can administer themselves would be popular if licensed, but the total dose offered may need to be more than in this study if babies with undiagnosed liver disease are to be protected.

  • vitamin K prophylaxis
  • bleeding
  • breast feeding

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