Vitamin K deficiency occurs due to the following reasons: 
Newborn babies are also at a higher risk of getting vitamin K deficiency due to the following reasons:
The most obvious symptom of vitamin K is excessive bleeding when you have a cut or a wound. The other symptoms are:
The signs and symptoms of vitamin K deficiency in newborn babies and infants are:
To diagnose vitamin K deficiency, your doctor will ask about your medical history. After which, the doctor will perform a coagulation test called the prothrombin time (PT) test to check if vitamin K deficiency is causing the symptoms. This is a blood test that measures how long time does it take for the blood to clot.
Usually, the blood takes about 11 to 13.5 seconds to clot. But, if the blood takes longer than 13.5 seconds to clot, then it is a sign of vitamin K deficiency.
Vitamin K deficiency is treated with a drug called phytonadione, a vitamin K1 supplement that is taken orally. A doctor can also inject the medication under the skin.How To Prevent Vitamin K Deficiency
Consume foods rich in vitamin K such as green leafy vegetables. For newborn babies, a single shot of vitamin K can prevent the risk of vitamin k deficiency.
If the body is devoid of essential vitamins and minerals, you tend to suffer from a serious illness or disease. One such vitamin deficiency that we are discussing in this article is vitamin K deficiency.
Vitamin K comes in two forms - vitamin K1 and vitamin K2, both these vitamins produce proteins that help in the clotting of the blood. Blood clotting is necessary to prevent excess bleeding both internally and externally. If the body doesn't get enough vitamin K from foods to produce enough of these proteins, it increases the risk of excessive bleeding.
An adequate amount of vitamin K can be obtained from foods that you eat as a part of your healthy diet. Lack of vitamin K rich foods leads to vitamin K deficiency. Though it is rare in adults, there are certain people who are at risk of vitamin K deficiency.
Read on to know what causes vitamin K deficiency, its symptoms and how to treat it.