Pronunciation: fye-toe-na-DYE-one
Generic Name: Phytonadione
Brand Name: Mephyton
Phytonadione is used for:
Treating bleeding problems caused by low vitamin K blood levels or decreased vitamin K activity (eg, caused by certain anticoagulants, antibiotics, salicylates, certain liver problems).
Phytonadione is a vitamin K. It works by helping the liver to produce blood clotting factors.
Do NOT use Phytonadione if:
- you are allergic to any ingredient in Phytonadione
Contact your doctor or health care provider right away if any of these apply to you.
Before using Phytonadione:
Some medical conditions may interact with Phytonadione. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have liver problems
Some MEDICINES MAY INTERACT with Phytonadione. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Anticoagulants (eg, warfarin) because effectiveness may be decreased by Phytonadione
This may not be a complete list of all interactions that may occur. Ask your health care provider if Phytonadione may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Phytonadione:
Use Phytonadione as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Do not take large doses of vitamins (megadoses or megavitamin therapy) while taking Phytonadione unless directed by your doctor.
- If you miss a dose of Phytonadione, contact your doctor immediately.
Ask your health care provider any questions you may have about how to use Phytonadione.
Important safety information:
- Before you have any medical or dental treatments, emergency care, or surgery, tell the doctor or dentist that you are using Phytonadione.
- LAB TESTS, including blood clotting tests, may be performed to monitor your progress or to check for side effects. Be sure to keep all doctor and lab appointments.
- Use Phytonadione with extreme caution in CHILDREN. Safety and effectiveness have not been confirmed. NEWBORN CHILDREN may be more sensitive to its effects.
- PREGNANCY and BREAST-FEEDING: It is unknown if Phytonadione can cause harm to the fetus. If you become pregnant while taking Phytonadione, discuss with your doctor the benefits and risks of using Phytonadione during pregnancy. It is unknown if Phytonadione is excreted in breast milk. If you are or will be breast-feeding while you are using Phytonadione, check with your doctor or pharmacist to discuss the risks to your baby.
Possible side effects of Phytonadione:
All medicines may cause side effects, but many people have no, or minor, side effects. When used in small doses, no COMMON side effects have been reported with this product. Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue).
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
See also: Phytonadione side effects (in more detail)
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.
Proper storage of Phytonadione:
Store Phytonadione at 77 degrees F (25 degrees C) in a tightly closed container. Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Keep Phytonadione out of the reach of children and away from pets.
General information:
- If you have any questions about Phytonadione, please talk with your doctor, pharmacist, or other health care provider.
- Phytonadione is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information is a summary only. It does not contain all information about Phytonadione. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
More Phytonadione resources
- Phytonadione Side Effects (in more detail)
- Phytonadione Dosage
- Phytonadione Use in Pregnancy & Breastfeeding
- Phytonadione Drug Interactions
- Phytonadione Support Group
- 0 Reviews for Phytonadione - Add your own review/rating
Compare Phytonadione with other medications
- Hypoprothrombinemia, Anticoagulant Induced
- Hypoprothrombinemia, Not Associated with Anticoagulant Therapy
- Hypoprothrombinemia, Prophylaxis
- Vitamin K Deficiency
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