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Description
Warfarin 5mg tablets are an oral anticoagulant medication used to prevent and treat blood clots.
The primary medical uses include prevention of deep vein thrombosis (DVT), pulmonary embolism, stroke in patients with atrial fibrillation, and management of thromboembolic disorders.
Warfarin belongs to the drug class of vitamin K antagonists.
Its general mechanism of action involves inhibiting the enzyme vitamin K epoxide reductase, which results in decreased synthesis of active vitamin K-dependent clotting factors (II, VII, IX, and X), thereby reducing the blood’s ability to form clots.
The common form is oral tablets, often available in several strengths, including 5mg.
Dosage instructions are individualized based on blood clotting tests (INR) and patient response. Treatment usually starts with a standard dose, then adjusted to maintain the target INR range as determined by a healthcare provider. Regular monitoring of blood coagulation is essential to avoid bleeding complications or insufficient anticoagulation.
Side effects can include bleeding, bruising, and rarely skin necrosis. Contraindications include active bleeding, pregnancy, and certain health conditions. Warfarin interacts with many drugs and foods, particularly those containing vitamin K, so careful management and consultation with a healthcare provider are necessary.
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