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Description
Warfarin 1mg tablets are an oral anticoagulant medication used to prevent and treat blood clots.
The primary medical uses include prevention and treatment of deep vein thrombosis (DVT), pulmonary embolism, stroke prevention in 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 reduces the synthesis of active vitamin K-dependent clotting factors (II, VII, IX, and X). This decreases the blood’s ability to form clots.
The common form is oral tablets, available in various strengths, including 1mg.
Dosage instructions are individualized based on blood clotting test results (INR) and patient response. Initial dosing is often low and adjusted as needed to maintain the target INR range specified by a healthcare provider. Regular INR monitoring is essential to ensure safe and effective anticoagulation.
Side effects include an increased risk of bleeding, bruising, and rarely skin necrosis. Contraindications include active bleeding, pregnancy, and certain medical conditions. Warfarin interacts with many medications and foods, especially those high in vitamin K, requiring careful management under medical supervision.
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