Vitamin K1 Other names: Phytomenadione Phytylmenadione alpha-Phylloquinone Phytylmenadione Phylloquinone Phytonadione

Vitamin K is indicated as an antidote to anticoagulant drugs of the coumarin type in the treatment of haemorrhage or threatened haemorrhage, associated with a low blood level of prothrombin or factor VII.

Vitamin K is indicated as an antidote to anticoagulant drugs of the coumarin type in the treatment of haemorrhage or threatened haemorrhage, associated with a low blood level of prothrombin or factor VII.

Likely indications for using vitamin K in children are limited and may include:

1. Children with disorders that interfere with absorption of vitamin K (chronic diarrhoea, cystic fibrosis, biliary atresia, hepatitis, coeliac disease).
2. Children with poor nutrition who are receiving broad spectrum antibiotics.
3. Liver disease.
4. Patients receiving anticoagulant therapy with warfarin in whom the INR is increased outside the therapeutic range and therefore are at risk of, or are bleeding, and those with an INR in the therapeutic range who are bleeding.