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The therapeutic effects of warfarin may be decreased by valerian. Anticoagulants can be affected by chamomile. Dong quai, garlic, ginger, Ginkgo biloba, bilberry and feverfew can increase bleeding time. These same herbal supplements taken with warfarin increased prothrombin time. [24]
Warfarin is indicated for the prophylaxis and treatment of venous thrombosis and its extension, pulmonary embolism; [9] prophylaxis and treatment of thromboembolic complications associated with atrial fibrillation and/or cardiac valve replacement; [9] and reduction in the risk of death, recurrent myocardial infarction, and thromboembolic events such as stroke or systemic embolization after ...
An anticoagulant, commonly known as a blood thinner, is a chemical substance that prevents or reduces the coagulation of blood, prolonging the clotting time. [1] Some occur naturally in blood-eating animals, such as leeches and mosquitoes, which help keep the bite area unclotted long enough for the animal to obtain blood.
Drug-induced gingival enlargement (DIGE), also referred to as drug-induced gingival hyperplasia (DIGH) or drug-induced gingival overgrowth (DIGO), [1] is a side effect of many systemic medications for which the Gingervae are not the target receptor.
When two drugs affect each other, it is a drug–drug interaction (DDI). The risk of a DDI increases with the number of drugs used. [1] A large share of elderly people regularly use five or more medications or supplements, with a significant risk of side-effects from drug–drug interactions. [2] Drug interactions can be of three kinds:
The monitoring of warfarin and keeping the international normalized ratio (INR) between 2.0 and 3.0, along with avoiding over and under treatment, has driven a search for an alternative. [ 3 ] [ 14 ] A naturally occurring inhibitor of factor Xa was reported in 1971 by Spellman et al. from the dog hookworm. [ 15 ]
For example, warfarin, a commonly-used anticoagulant drug in atrial fibrillation, is metabolised by an enzyme called CYP2C9. Phenytoin, a CYP2C9 inducer, would increase its activity and the rate of warfarin breakdown, thereby reducing its efficacy. [23] Patients should avoid the co-administration of warfarin and phenytoin.
They are categorised as "first-generation" anticoagulants, and have similar effects as warfarin. They have been largely superseded by second-generation anticoagulants because warfarin-resistant rodents have become more common. [6] Anisindione, fluindione, and phenindione are oral anticoagulant medicines with actions similar to warfarin. However ...