

Vitamin K Deficiency Bleeding (Hemorrhagic Disease of the Newborn)

Vitamin K Deficiency Bleeding (Hemorrhagic Disease of the Newborn)

What is vitamin K deficiency bleeding?

Vitamin K deficiency bleeding (VKDB) is a bleeding problem that occurs in some newborns during the first few days of life. VKDB was previously called hemorrhagic disease of the newborn.

What causes vitamin K deficiency bleeding?


Who is affected by vitamin K deficiency bleeding?



  • Exclusively breastfed babies (breast milk contains less vitamin K than cow's milk formula)

  • Babies whose mothers take anticonvulsants (for seizures) and anticoagulants (for clotting disorders) 

Why is vitamin K deficiency bleeding a concern?


What are the symptoms of vitamin K deficiency bleeding?

The following are the most common symptoms of VKDB:

  • Blood in the baby's bowel movements

  • Blood in the baby's urine

  • Oozing around the umbilical cord

The symptoms of VKDB may look like other conditions or medical problems. Always consult your baby's doctor for a diagnosis.

How is vitamin K deficiency bleeding diagnosed?

In addition to a complete medical history and physical exam, a diagnosis is based on signs of bleeding and lab tests for blood clotting times.

Treatment for vitamin K deficiency bleeding

Specific treatment for VKDB will be determined by your baby's doctor.


Blood transfusions may also be needed if bleeding is severe.

Reviewed Date: 09-28-2014

Sangrado por deficiencia de vitamina K (enfermedad hemorrágica del recién nacido)
