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Vitamin K information from DrugsUpdate  

See Available Brands of Vitamin K in India

Vitamin K, a blood thinner, is indicated for the blood clotting disorders. Deficiency of Vitamin K leads to bleeding disorders.


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Vitamin K Indications / Vitamin K Uses

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Vitamin K Adverse Reactions / Vitamin K Side Effects

Some of the commonly reported adverse events of Vitamin K are jaundice like reactions, anorexia, hepatomegaly, edema, taste changes, injection-site reactions, irritability, muscle rigors, breathing difficulties and ataxia. Some of the rare adverse events are dyspnoea, swallowing difficulties, wheezing, lightheadedness, paced heartbeat, facial flushing, skin reactions, cyanosis, temporary hypotension, dizziness and increased sweating.


Vitamin K formulations should be taken only under strict medical supervision. Check bleeding and clotting time before prescribing Vitamin K.

Special Precautions

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Other Drug Interactions

Drugs including aspirin, NSAIDs, blood thinners, anticoagulants and anti-platelet drugs may increase the effects of Vitamin K.

Other Interactions

Do not consume alcohol, nicotine or tobacco while taking Vitamin K drugs.


For blood clotting disorders (Adults and children):
The recommended oral dose is 5-10 mg/day.
As injections, the usual adult dose is 5-15 mg as deep IM injections, twice daily. For children, consider administration of 5-10 mg as deep IM injections, twice daily.


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List of Contraindications

Vitamin K and Pregnancy

USFDA pregnancy category C. May be or may not be harmful to an unborn baby. Consult your doctor if you are in gestation or planning to have a baby during Vitamin K treatment.

Vitamin K and Lactation

It is not known whether Vitamin K can pass through the breast milk or not. Nursing mothers should avoid breastfeeding while taking Vitamin K.

Vitamin K and Children

Children are more sensitive to Vitamin K formulations. Do not use vitamin K preparations in children, unless prescribed by a physician.

Vitamin K and Geriatic

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Vitamin K and Other Contraindications

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Store in a dry place, away from light and moisture.

Lab interference

Store in a dry place, away from light and moisture.

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