Specifically, researchers found, patients on the clot-preventing drug warfarin showed a higher dementia risk if their blood levels of the medication were frequently too high or too low.

Warfarin, which is probably best known as Coumadin, blocks the synthesis of factors that are necessary for the blood to clot, but blood levels must be carefully regulated to prevent overdose and ...

Warfarin is a higher maintenance medication, he explained. Patients need to be tested regularly to be sure their blood is clotting at the safest level -- too much and a stroke can happen ...

In patients receiving warfarin, INR values were recorded both locally and centrally. Compliance in patients receiving aspirin was evaluated in a subpopulation by analyzing thromboxane B 2 levels ...

Doses were adjusted to obtain a trough plasma level of at least 50 ng per milliliter. The warfarin dose was adjusted to obtain an international normalized ratio of 2 to 3 or 2.5 to 3.5 on the ...

That’s because eating vitamin K-rich vegetables, drinking alcohol, taking certain over-the-counter medicines and smoking can change warfarin levels in the bloodstream. Patients can make repeat ...

Bleeding Problems. Do not take warfarin if you have low levels of certain blood cells, have bleeding problems, or bleed easily. Medical Procedures With Bleeding Risk. Do not take warfarin if you ...

Scientists in Utah have found a common blood thinner used to treat atrial fibrillation may increase the risk of dementia, including Alzheimer’s disease. The study suggests the drug warfarin ...

Digoxin was shown to be dangerous at high levels for atrial fibrillation (Afib) patients in a randomized trial. Meanwhile, another study suggested the benefit of genotyping for better warfarin ...

Nov. 17 -- SUNDAY, Nov. 15 (HealthDay News) -- The anti-clotting drug dabigatran etexilate (Pradaxa) may be more effective and safer than warfarin at preventing clots and stroke in patients with ...

Other factors that increase the chances of a blood clot include: Warfarin works by slowing the production of clotting factors, which the body makes by using vitamin K from food. Levels of vitamin ...