phytonadione (generic name)
Mephyton (brand name)
- Auto Immune Conditions
- Bladder & Kidney Health
- Brain & Nervous System
- Care Transitions
- Dental Health
- Emotional Health
- Eye Health
- Falls Prevention
- Financial Planning
- General Safety
- Health Care Basics
- Healthy Living
- Hearing Loss
- Heart Health
- High Blood Pressure
- Life Transitions
- Lung Health
- Men's Health
- Nutrition & Weight Management
- Pain Management
- Preventive Health
- Sexual Health
- Stomach & Digestive Health
- Stress & Anxiety
- Women's Health
What is this medicine?PHYTONADIONE (fye toe na DYE one) is a man-made form of vitamin K. This medicine is used to treat vitamin K deficiency or bleeding problems caused by various disorders. This medicine is also given to newborn babies to prevent bleeding.
What should I tell my health care provider before I take this medicine?They need to know if you have any of these conditions:
- liver disease
- an unusual or allergic reaction to phytonadione, other medicine, foods, dyes, or preservatives
- pregnant or trying to get pregnant
How should I use this medicine?This medicine is for injection under the skin, into a muscle, or rarely, into a vein. It is usually given by a health care professional in a hospital or clinic setting. In newborn babies, this medicine is injected into the muscle as a one-time dose shortly after they are born.
If you get this medicine at home, you will be taught how to prepare and give this medicine. Use exactly as directed. Take your medicine at regular intervals. Do not take your medicine more often than directed.
It is important that you put your used needles and syringes in a special sharps container. Do not put them in a trash can. If you do not have a sharps container, call your pharmacist or healthcare provider to get one.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as newborns for selected conditions, precautions do apply.
What if I miss a dose?If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What may interact with this medicine?
- medicines that treat or prevent blood clots like warfarin
What should I watch for while using this medicine?Visit your doctor or health care professional for regular checks on your progress. Your doctor or health care professional will schedule tests to make sure the medicine is working properly.
What side effects may I notice from receiving this medicine?Side effects that you should report to your doctor or health care professional as soon as possible:
- allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
- bluish discoloration of lips, fingernails, or palms of hands
- breathing problems
- increased sweating
- yellowing of the eyes or skin when this medicine is given to newborn babies
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
- changes in taste
- flushing of the face
- pain, inflammation, or swelling at site where injected
Where should I keep my medicine?Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Do not freeze. Protect from light. Store in tightly closed container and original carton until contents have been used. Throw away any unused medicine after the expiration date.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.