The bacteria that are found in the intestines make Vitamin K - This is in addition to what we get from leafy green foods. Sometimes taking antibiotics kill the bacteria in intestine along with the pathogenic bacteria which leads to Vitamin K deficiency. - SS Raju
Sometimes antibiotics will cause vitamin K deficiencies. The antibiotic caused the bacteria in the intestines to go all sorts of crazy. When the good bacteria in the intestines is not right it can cause this deficiency.
Vitamin K deficiency in adults is rare
Newborns are especially prone to vitamin K deficiency
Individuals who are on long-term antibiotic therapy and newborn infants are at highest risk for vitamin K deficiency. Antibiotics can disrupt the gut bacteria responsible for producing vitamin K, while newborn infants often have low levels of vitamin K at birth and may not receive enough from breast milk.
The prognosis for correcting vitamin K deficiency, and associated blood-clotting problems, is excellent.
Vitamin K deficiency can cause massive hemorrhaging in infants due to impaired blood clotting. This deficiency can occur because newborns have lower levels of vitamin K, which is needed for proper blood coagulation. Infants are typically given a vitamin K injection shortly after birth to prevent this deficiency.
Vitamin K deficiency in newborn infants is treated and prevented with a single injection of phylloquinone (5 mg).
A vitamin K deficiency can be caused by a number of different things. Specifically, chronic diseases, like liver disease, can cause the vitamin not to be absorbed properly. Also, some medications like Aspirin can cause a vitamin K deficiency.
Deficiency of Vitamin K
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Vitamin K is necessary for the production of Clotting Factors II, VII, IX and X. So a vitamin K deficiency could lead to a bleeding disorder. Additionally vitamin K is necessary for the production of the anticoagulant protein C and protein S. Inhibition of Vitamin K function is also associated with clotting disorders though for this to occur there has to be a deficiency in either proteins C or S.
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