Vitamin K2-7 (Menaquinone)

Uses

Vitamin K is used in the treatment of nutritional deficiencies.

How it Works

How Vitamin K works: Vitamin K provides essential nutrients.

Side Effects

Common side effects of Vitamin K include taste changes, cyanosis (bluish discoloration of the skin), breathlessness, flushing (a sense of warmth in the face, ears, neck, and trunk), increased bilirubin levels in the blood, decreased blood pressure, itching, skin erosion, and skin eruptions.

Expert Advice

  • Do not take anticoagulants ('blood thinners') such as warfarin (Coumadin) while taking phytonadione unless instructed by your doctor.
  • If you are taking orlistat (Xenical), take it 2 hours before or 2 hours after taking vitamin K.
  • If you need surgery or dental work, inform the surgeon or dentist in advance that you are using vitamin K.
  • Vitamin K should be used with caution in patients with severe liver disease, as high dosages may further depress liver function.
  • Routine liver function tests should be performed if regular or prolonged therapy with vitamin K is necessary in patients with liver disease.
  • Excess vitamin K can be harmful for patients receiving dialysis treatments due to kidney disease.
  • Before using this medication, inform your doctor if you have:
    • A medical history of blood disorders.
    • A medical history of gallbladder disease (e.g., obstructive jaundice, biliary fistula).
    • A medical history of liver or kidney disease.
    • Recently used or are currently taking an antibiotic.
    • Recently used or are currently taking a blood thinner such as anisindione, heparin, warfarin, or Coumadin.
    • Recently used or are currently taking salicylates such as aspirin, Backache Relief Extra Strength, Novasal, Nuprin Backache Caplet, Doan's Pills Extra Strength, Pepto-Bismol, Tricosal, and others.
  • During pregnancy, this medication should be used only when clearly needed.
  • Vitamin K, whether alone, with certain other medications, or with alcohol in some formulations, may cause dizziness. Avoid driving, operating machinery, or engaging in activities that could be dangerous until you know how you react to vitamin K.
  • Some formulations of vitamin K contain benzyl alcohol, which has been reported to cause toxic and fatal reactions ("gasping syndrome") in newborns. Discuss any questions or concerns with your doctor.

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Frequently asked questions

Vitamin K is effective when taken as prescribed by your doctor. Do not discontinue use prematurely, as this may cause symptoms to return or worsen.
Vitamin K is safe when used as directed by your doctor. Always take it exactly as prescribed and report any bothersome side effects to your healthcare provider.
Vitamin K should be administered under the supervision of a healthcare professional. The dosage will depend on the condition being treated, and it is important to follow your doctor's instructions for optimal benefit.
Vitamin K is a medicine used to treat vitamin K deficiency. It is an essential nutrient that aids in blood clotting and prevents excessive bleeding, among other health benefits.
Vitamin K is found in green leafy vegetables (such as spinach and cabbage), soybeans, milk, cheese, eggs, chicken, lamb, and salmon. Including these foods in your diet can help prevent vitamin K deficiency.
Vitamin K is crucial for maintaining healthy bones and wound healing. It produces four of the thirteen proteins necessary for blood clotting and works with Vitamin D to enhance calcium absorption, thereby increasing bone mineral density and reducing the risk of hip fractures.
Common signs of vitamin K deficiency include easy bruising, excessive bleeding, and hemorrhage. These symptoms occur due to the essential role of vitamin K in blood clotting and can lead to severe and life-threatening bleeding if untreated.
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