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MRP: Rs. 24.70 for 1 vial(s) (1 ML injection each)
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Composition for NEO K

Vitamin K(1 mg)

food interaction for NEO K

alcohol interaction for NEO K

pregnancy interaction for NEO K

lactation interaction for NEO K

It can be taken with or without food, but it is better to take Neo k 1mg injection at a fixed time.
Interaction with alcohol is unknown. Please consult your doctor.
Neo k 1mg injection may be unsafe to use during pregnancy.
Either animal studies have shown adverse effect on fetus and there are no human studies or studies in human and animals are not available. It should be given only if potential benefits justifies risk to the fetus. Please consult your doctor.
Neo k 1mg injection is probably safe to use during breastfeeding. Please consult your doctor.


Vitamin K(1 mg)


Neo k 1mg injection is used for treating and preventing Neo k 1mg injection deficiency; for preventing certain bleeding or blood clotting problems such as hypoprothrombinemia (abnormally low levels of prothrombin in the blood and to counteract too much anticoagulation caused by drug warfarin

How it works

Neo k 1mg injection (Phytonadione) promotes the formation of active prothrombin in liver and helps in blood clotting.

Common side effects

Altered taste, Cyanosis (bluish discoloration of the skin), Shortness of breath, Flushing, Increased bilirubin in the blood, Decreased blood pressure, Itching, Skin erosion, Skin eruptions


2 Substitutes
Sorted By
    (1 ML injection in vial)
    Samarth Life Sciences Pvt Ltd
    Rs. 12/ML of injection
    Rs. 12
    save 51% more per ML of injection
    (1 ML injection in vial)
    Kontest Chemicals Ltd
    Rs. 30.80/ML of injection
    Rs. 30.80
    pay 25% more per ML of injection

Expert advice for NEO K

Do not take anticoagulants ('blood thinners') such as warfarin (Coumadin) while you are taking phytonadione unless told to do so 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, tell the surgeon or dentist ahead of time that you are using Vitamin K.
  • Vitamin K should be used with caution in patients with severe liver disease as the administration of high dosages has resulted in further depression of liver function.
  • Routine liver function tests should be performed if regular or prolonged therapy with vitamin K is necessary in patients with liver disease.
  • Too much vitamin K can be harmful if you are receiving dialysis treatments due to kidney disease.
Before using this medication, tell your doctor:
  • If you have a medical history of blood disorders.
  • If you have a medical history of gallbladder disease (e.g., obstructive jaundice, biliary fistula) .
  • If you have a medical history of liver or kidney disease.
  • If you have recently used or are currently taking an antibiotic.
  • If you have recently used or are currently taking a blood thinner such as anisindione, heparin, warfarin, Coumadin.
  • If you have 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 need.
  • Vitamin K alone, with certain other medicines, or with alcohol in some formulations may cause dizziness. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to vitamin K.
  • Vitamin K in some formulations contains benzyl alcohol, which has been reported to cause toxic and fatal reactions ("gasping syndrome") in newborn children. Discuss any questions or concerns with your doctor.

Frequently asked questions for NEO K

Vitamin K

Q. Is vitamin K an antioxidant/ a coagulant/ water soluble/ have another name/come from the sun?
Vitamin K is not considered a classic antioxidant as some other vitamins. It is a fat soluble vitamin and is also known as phytonadione. It helps in blood coagulation. It is not obtained from sun as is the case with vitamin D.
Q. Is vitamin K good for skin/take vitamin K for dark circles?
A vitamin K oxide cream can help to reduce many skin imperfections such as dark circles with much ease. You may consult your doctor before its use.
Q. vitamin K lower International Normalized Ratio (INR)?
Vitamin K is used by the body to form clots and to stop bleeding. Vitamin K helps reduce the risk of bleeding from various illnesses such as liver disease, long-term use of antibiotics, and malabsorption syndromes. High intake of vitamin K will lower a patient’s INR
Q. Can I take vitamin K with warfarin/Plavix/ Coumadin/Aspirin/Pradaxa /other vitamins/ calcium?
Do not take vitamin K with warfarin(Coumadin) unless as prescribed by your doctor. Caution should be administered while taking vitamin K with aspirin and other vitamins and calcium.


Content on this page was last updated on 31 August, 2015, by Dr. Varun Gupta (MD Pharmacology)