Vitamin K (Phytonadione): uses, side effects & brands
Written & medically reviewed by Dr. Sanjay Anbu, MBBS· Last reviewed
Vitamin K supports clotting and reverses over-thinning from warfarin. It belongs to the Antidote & chelation group. These reverse poisoning, correct overloads or restore clotting.
Bleeding or clotting problems (with vitamin K use)
Not a prescription — no dose shown. The right dose of vitamin k depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
What is vitamin K used for?
It helps blood clot and is used to reverse over-thinning from warfarin or to treat vitamin-K deficiency (newborns are given it routinely).
What does iron chelation do?
Medicines like deferasirox remove excess iron that builds up from repeated blood transfusions, protecting the heart and liver.
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.