Always consult your doctor or pharmacist before having vitamin K3 injection.
If your condition does not improve or becomes worse, then call your doctor.
Do NOT use vitamin K3 injection if:
- you are allergic to vitamin K3.
There is little evidence with regards to the use of vitamin K3 injection during pregnancy or breast feeding, and so consult your doctor or health care professional before having Vitamin K3 injection.
Refer to your doctor or pharmacist for guidelines on dosage. Do not exceed what they advise. Usual dose for adults is: severe hypoprothrombinaemia: adult: intramuscular 2.5-10mg daily. Usual dose for children is: intravenous: 1-5mcg/kg/day.
If you are using a certain “blood thinner” drug (warfarin), vitamin K can decrease the effects of warfarin for up to 2 weeks. Consult with your doctor about any medications you are taking, before your treatment with vitamin K3 injection.