diseases caused by deficiency of vitamin k
1 Malabsorption, especially impaired absorption of fats due to diseases such as cystic fibrosis, celiac disease, chronic pancreatitis or Crohns disease, may cause vitamin K deficiency. Deficiencies in newborns are associated with hemorrhagic disease of the newborn (also called vitamin K deficiency bleeding or VKDB). 2  This can cause bleeding and bruising and, in severe cases, can lead to fatal bleeding into the brain.