Medically reviewed by Karina Tolentino, RD Vitamin K deficiency is rare. This vitamin is made naturally by bacteria in the gut and is found in several food sources, namely leafy green vegetables and ...

Vitamin K plays many essential roles in the body, from blood clotting to supporting your bones and heart. Like other vitamins ...

Increased prothrombin times induced by combined vitamin E and warfarin therapy may be managed by discontinuing vitamin E, and, if necessary, by administering vitamin K.

Kuykendall et al. [10] reported an inverse effect on INRs when a patient used smokeless tobacco while taking warfarin 25-30 mg/day. The vitamin K in tobacco might have been the cause of ...

Cerebral venous thrombosis is a rare but potentially life-threatening condition that is particularly prevalent in young women (ie, mean age 44 years) and accounts for 0·5–3% of all strokes. The ...

The investigations continued on rodents and eventually dicoumarol type 42 was isolated; it soon turned into a product that ...

Background Anticoagulation therapy reduces stroke risk in patients with atrial fibrillation (AF), but it is often underused ...