Skip to main navigation Skip to main content Skip to footer For Medicare For Providers For Brokers For Employers Español For Individuals & Families: For Individuals & Families Medical Dental Other Supplemental Explore coverage through work How to Buy Health Insurance Types of Dental Insurance Open Enrollment vs. Special Enrollment See all topics Shop for Medicare plans Member Guide Find a Doctor Log in to myCigna
Home Knowledge Center Wellness Library phytonadione (oral/injection)

phytonadione (oral/injection)

Pronunciation: fye toe na DYE own

Brand: Aquamephyton, Konakion, Mephyton, Vitamin K1

Mephyton

slide 1 of 4, Mephyton,

5 mg, round, yellow, imprinted with MEPHYTON, VRX 405

Image of Mephyton
slide 1 of 4

Mephyton

slide 2 of 4, Mephyton,

5 mg, round, yellow, imprinted with MEPHYTON, MSD 43

Image of Mephyton
slide 2 of 4

Phytonadione

slide 3 of 4, Phytonadione,

5 mg, round, yellow, imprinted with AA 05

Image of Phytonadione
slide 3 of 4

Phytonadione

slide 4 of 4, Phytonadione,

5 mg, round, yellow, imprinted with AA 05

Image of Phytonadione
slide 4 of 4
What is the most important information I should know about phytonadione?

What is the most important information I should know about phytonadione?

Never use phytonadione in larger amounts, or for longer than recommended by your doctor.

A phytonadione injection may cause a serious allergic reaction. Tell your caregiver if you feel weak, tingly, light-headed, warm, itchy, or if you have a chest pain, trouble breathing, a cold sweat, or swelling in your face.

What is phytonadione?

What is phytonadione?

Phytonadione is a man-made form of vitamin K, which occurs naturally in the body.

Phytonadione is used to treat vitamin K deficiency, and to treat certain bleeding or blood-clotting problems caused by other medicines or medical conditions.

Phytonadione may also be used for purposes not listed in this medication guide.

What should I discuss with my healthcare provider before using phytonadione?

What should I discuss with my healthcare provider before using phytonadione?

You should not use phytonadione if you are allergic to it.

Tell your doctor if you have ever had liver disease.

Phytonadione injection may contain an ingredient that can cause serious side effects or death in very young or premature babies. Do not give this medicine to a child without medical advice.

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

It may not be safe to breast-feed a baby while you are using this medicine. Ask your doctor about any risks.

How should I use phytonadione?

How should I use phytonadione?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Never use phytonadione in larger amounts, or for longer than prescribed.

A phytonadione injection is given into a muscle, under the skin, or as an infusion into a vein. A healthcare provider will give the injection.

You may need frequent blood tests.

If you need surgery or dental work, tell the surgeon or dentist you currently use this medicine.

Store at room temperature away from moisture and heat. Protect from light. Keep the medicine in the original container and tightly closed when not in use.

What happens if I miss a dose?

What happens if I miss a dose?

Call your doctor for instructions if you miss a dose of phytonadione.

What happens if I overdose?

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while using phytonadione?

What should I avoid while using phytonadione?

Follow your doctor's instructions about any restrictions on food, beverages, or activity.

What are the possible side effects of phytonadione?

What are the possible side effects of phytonadione?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

A phytonadione injection may cause a serious allergic reaction. Tell your caregiver if you feel weak, tingly, light-headed, warm, itchy, or if you have a chest pain, trouble breathing, a cold sweat, or swelling in your face.

Call your doctor at once if you have:

  • unusual or unpleasant taste in your mouth;
  • a light-headed feeling, like you might pass out;
  • blue colored lips;
  • jaundice (yellowing of the skin or eyes);
  • trouble breathing;
  • weak but rapid pulse; or
  • skin redness, itching, or a hard lump where an injection was given.

Common side effects may include:

  • dizziness;
  • flushing (warmth, redness, or tingly feeling);
  • changes in your sense of taste;
  • sweating; or
  • pain or swelling where the medicine was injected.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect phytonadione?

What other drugs will affect phytonadione?

Tell your doctor about all your other medicines. Some may affect phytonadione, especially:

  • a blood thinner --warfarin, Coumadin, Jantoven, or others.

This list is not complete. Other drugs may affect phytonadione, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

Where can I get more information?

Where can I get more information?

Your pharmacist can provide more information about phytonadione.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.

<cipublic-spinner variant="large"><span>Loading…</span></cipublic-spinner>

Page Footer

I want to...

Get an ID card File a claim View my claims and EOBs Check coverage under my plan See prescription drug list Find an in-network doctor, dentist, or facility Find a form Find 1095-B tax form information View the Cigna Glossary Contact Cigna

Audiences

Individuals and Families Medicare Employers Brokers Providers

Secure Member Sites

myCigna member portal Health Care Provider portal Cigna for Employers Client Resource Portal Cigna for Brokers

The Cigna Group Information

About The Cigna Group Company Profile Careers Newsroom Investors Suppliers The Cigna Group Third Party Administrators International Evernorth

 Cigna. All rights reserved.

Privacy Legal Product Disclosures Cigna Company Names Customer Rights Accessibility Non-Discrimination Notice Language Assistance [PDF] Report Fraud Sitemap Cookie Settings

Disclaimer

Individual and family medical and dental insurance plans are insured by Cigna Health and Life Insurance Company (CHLIC), Cigna HealthCare of Arizona, Inc., Cigna HealthCare of Illinois, Inc., Cigna HealthCare of Georgia, Inc., Cigna HealthCare of North Carolina, Inc., Cigna HealthCare of South Carolina, Inc., and Cigna HealthCare of Texas, Inc. Group health insurance and health benefit plans are insured or administered by CHLIC, Connecticut General Life Insurance Company (CGLIC), or their affiliates (see a listing of the legal entities that insure or administer group HMO, dental HMO, and other products or services in your state). Accidental Injury, Critical Illness, and Hospital Care plans or insurance policies are distributed exclusively by or through operating subsidiaries of Cigna Corporation, are administered by Cigna Health and Life Insurance Company, and are insured by either (i) Cigna Health and Life Insurance Company (Bloomfield, CT); (ii) Life Insurance Company of North America (“LINA”) (Philadelphia, PA); or (iii) New York Life Group Insurance Company of NY (“NYLGICNY”) (New York, NY), formerly known as Cigna Life Insurance Company of New York. The Cigna name, logo, and other Cigna marks are owned by Cigna Intellectual Property, Inc. LINA and NYLGICNY are not affiliates of Cigna.

All insurance policies and group benefit plans contain exclusions and limitations. For availability, costs and complete details of coverage, contact a licensed agent or Cigna sales representative. This website is not intended for residents of New Mexico.

Selecting these links will take you away from Cigna.com to another website, which may be a non-Cigna website. Cigna may not control the content or links of non-Cigna websites. Details