Vitamin K

Vitamin K deficiency
Definition
Vitamin K deficiency exists when chronic failure to eat sufficient amounts of vitamin K results in a tendency for spontaneous bleeding or in prolonged and excessive bleeding with trauma or injury.
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Vitamin K is a fat-soluble vitamin that plays an important role in blood clotting.
Alternative Names:
Vitamin K deficiency; Deficiency - vitamin K
Function:
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Vitamin K deficiency may result in bleeding in less than 2 percent of babies. Babies at risk for developing hemorrhagic disease of the newborn include the following: ...
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Vitamin K is important, to help prevent cirrhosis of the liver.
Do not take too much vitamin A. For the same reason, do not eat fish more than twice a week. Avoid cod liver oil. Better yet, stop eating fish. Meat eating is also harmful to the liver.
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Vitamin K
(covers a number of compounds, including phylloquinone)
Is necessary for normal blood clotting and energy metabolism
Dark green leafy vegetables, liver, meat, potatoes and cereals ...
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Vitamin K deficiency—Aspirin may increase the chance of bleeding
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Proper Use of This Medicine ...
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Deficiency - Vitamin K (Vitamin K)
Diabetes - Diet
Diarrhea in Children - Diet
Diet - Age Appropriate (Age Appropriate Diet for Children)
Diet - Alcohol (Alcohol and Diet) ...
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Medications
vitamin k-oral, Mephyton, Vitamin K
cyanocobalamin-injection, Cobal, Cyanoject, Cyomin, Vibal, Vitamin B-12
more>> ...
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Treatment with vitamin K may also be needed to prevent problems with bleeding that can result during delivery.
Long-term effects
Once the baby is delivered, the mother's liver rapidly returns to normal and itching disappears within a week or two.
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Diet is a very important consideration because the amount of vitamin K in the body affects how anticoagulant drugs work. Dicoumarol and warfarin act by reducing the effects of vitamin K.
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Medications that can affect the action of blood-thinners (such as warfarin) and vitamin K, which in turn affects the PT result, including antibiotics, aspirin, cimetidine (Tagamet), barbiturates, birth control pills, hormone replacement therapy (HRT), ...
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If you are taking warfarin (Coumadin), having different amounts of vitamin K in your diet from day to day can affect your test results and the Coumadin dosage that you need.
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Some foods - especially green, leafy vegetables that contain large amounts of vitamin K - can alter the blood-thinning action of warfarin. Ask your doctor or pharmacist for a list of these foods.
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Warfarin inhibits prothrombin, thus interrupting the clotting cascade. Because of the link between vitamin K and prothrombin, people who take warfarin need to have consistent levels of vitamin K in their diet, as instructed by their doctor.
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Prothrombin time may be prolonged and not correctable with Vitamin K.
CT scan of the head may be normal, or may show general atrophy (loss of tissue).
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Abnormally low factor IX assays may be seen in the following conditions: congenital deficiency of factor IX, fat malabsorption, heparin administration, cirrhosis, vitamin K deficiency, and warfarin administration.
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