Vitamin K (Systemic)
- Antidote, to drug-induced hypoprothrombinemia - Menadiol; Phytonadione
- Antihemorrhagic - Phytonadione
- Nutritional supplement, vitamin, prothrombogenic - Menadiol; Phytonadione
are compounds that you must
for growth and health. They are needed in only small amounts and usually are
available in the foods that you eat. Vitamin K is necessary for normal clotting
of the blood.
Vitamin K is found in various foods including green leafy vegetables, meat,
and dairy products. If you eat a balanced diet containing these foods, you
should be getting all the vitamin K you need. Little vitamin K is lost from
foods with ordinary cooking.
If you are taking anticoagulant medicine (blood thinners), the amount of
vitamin K in your diet may affect how well these medicines work. Your doctor
or health care professional may recommend changes in your diet to help these
medicines work better.
Lack of vitamin K is rare but may lead to problems with blood clotting
and increased bleeding. Your doctor may treat this by prescribing vitamin
K for you.
Vitamin K is routinely given to newborn infants to prevent bleeding problems.
This medicine is available only with your doctor's prescription, in the
following dosage forms:
Some commonly used brand names are:
In the U.S. -
- AquaMEPHYTON 2
- Mephyton 2
For quick reference, the following medicines are numbered
to match the corresponding brand names.
Other commonly used names are: phylloquinone
vitamin K 1
and vitamin K 4
|This information applies to the following medicines:
|* Not commercially available in the U.S.
|† Not commercially available in Canada
|‡ Generic name product may be available
in the U.S.
|§ Generic name product may be available
† Not commercially available in Canada.