Vitamin K deficiency in the general population, but the risk is significantly greater in infants especially premature infants and those who are exclusively breast fed.
The cardinal sign of vitamin K deficiency is an abnormal bleeding tendency, accompanied by prolonged prothrombin time these signs disappear with vitamin K administration. Without treatment, bleeding may be severe and possibly fatal.
The symptoms of vitamin K deficiency included significant hemorrhage following mild trauma, ecchymosis, petechiae, hematomas, oozing of blood, loss of blood in stool or urine, nose bleed, hematuria, menorrhagia, epistaxis, heavy menstrual flow and mucosal bleeds.
Hemorrhagic disease of the newborn, characterized by a tendency to bleed, is the principal form of vitamin K deficiency.
Symptoms of vitamin K deficiency