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Manufactured by Bausch Health

*You can pay as little as $0 per fill using Drug Coupons or Patient Assistance Programs. Subject to applicability & eligibility requirements.

This content is intended for US audiences only

MEPHYTON cost saving options available to you

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    Drug Coupons

    Obtain your MEPHYTON for as little as $0 per fill. Suitable for insured individuals only.
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    Patient Assistance Programs

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    You can receive for FREE


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Jamie Winn NowPatientGreen tick
Updated on 26 Apr 2024

MEPHYTON Uses, Side Effects, Interactions, Warnings & Dosing



MEPHYTON is the brand name for phytonadione and is available as an oral tablet.

What dosages is MEPHYTON available in?

What dosages is MEPHYTON available in?

MEPHYTON is available as a 5 mg oral tablet.

What is MEPHYTON used for?

What is MEPHYTON used for?

MEPHYTON is a dietary supplement and is used for the following:

  • Blood clotting problems due to medications (such as warfarin (Coumadin))
  • Blood clotting problems due to low vitamin K levels
How does MEPHYTON work?

How does MEPHYTON work?

MEPHYTON is a dietary supplement that is a man-made form of vitamin K. Vitamin K is an essential vitamin that helps your body make blood clots, which helps prevent bleeding.

How do I take MEPHYTON?

How do I take MEPHYTON?

MEPHYTON is dosed as follows:

  • The typical dose range is 2.5 mg to 25 mg taken by mouth as a single dose. Rarely, the dose may need to be as high as 50 mg. Your provider will determine the right dose and how often you should take it based on your labwork, the underlying cause of your blood clotting problem, and your other medical conditions
  • Phytonadione (Mephyton) is also available as an injection form, which is usually given in the hospital or healthcare clinic
Is it safe for me to take MEPHYTON?

Is it safe for me to take MEPHYTON?

MEPHYTON is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you.

MEPHYTON Common Side Effects

MEPHYTON Common Side Effects

Common side effects of MEPHYTON:

  • Flushing
  • Altered taste
  • Dizziness
  • Rapid and weak pulse
  • Sweating
  • Brief hypotension
  • Shortness of breath
MEPHYTON Serious Side Effects

MEPHYTON Serious Side Effects

Serious side effects are rare with MEPHYTON. Contact your healthcare provider immediately if you experience any of the following.

  • Stroke or blood clot in the legs or lungs
Effects of other drugs, drug classes and over-the-counter products on MEPHYTON

Effects of other drugs, drug classes and over-the-counter products on MEPHYTON

The following medications may interact with MEPHYTON:

  • Anticoagulants: May induce temporary resistance to prothrombin-depressing anticoagulants
Who makes MEPHYTON?

Who makes MEPHYTON?

Bausch Health

Is MEPHYTON safe in pregnancy?

Is MEPHYTON safe in pregnancy?

It is not known if MEPHYTON will harm your unborn baby. MEPHYTON should be given to a pregnant woman only if clearly needed.


What to do if you missed your MEPHYTON dose

The FDA's medical product safety reporting program for health professionals, patients and consumers.

Learn more about reporting side effects
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Medical Disclaimer

NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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