Marfarin

Warfarin Sodium, the active ingredient in Marfarin, is a Vitamin K antagonist presented as a tablet for oral use. It treats and prevents blood clots such as deep vein thrombosis, pulmonary embolism, and reduces stroke risk in atrial fibrillation and prosthetic heart valve patients.

GNH USA supplies Marfarin as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Warfarin Sodium is used to manage conditions related to abnormal blood clot formation. - Deep vein thrombosis (DVT): prevents clot extension and recurrence. - Pulmonary embolism (PE): treats existing emboli and reduces risk of new events. - Atrial fibrillation (AF) stroke prevention: lowers incidence of ischemic stroke in patients with non‑valvular AF. - Prosthetic heart valve thrombosis prophylaxis: prevents thromboembolic complications in patients with mechanical heart valves.

Common Side Effects: - Bruising or minor bleeding. - Gastrointestinal discomfort or nausea. - Headache or dizziness. - Skin rash or mild itching.

Serious or Rare Side Effects: - Severe or life‑threatening bleeding (intracranial, gastrointestinal). - Skin necrosis, especially early in therapy. - Allergic reactions including anaphylaxis. - Elevated liver enzymes. - Purple toe syndrome. - Severe cutaneous adverse reactions.

Warfarin therapy requires careful monitoring and individualized management. - Dose adjustment: individualize based on INR monitoring. - Drug interactions: review concomitant medications that affect coagulation. - Renal/hepatic impairment: use with caution, monitor closely. - Pregnancy: contraindicated; avoid use in pregnancy. - Bleeding risk: assess patient history of bleeding disorders. - Store at ambient temperature: keep tablets in original container, protect from moisture and light.

Warfarin has numerous interactions that can alter its anticoagulant effect. Major Interactions (Avoid): - Acetylsalicylic acid (aspirin): markedly increases bleeding risk. - Clopidogrel: additive anticoagulant effect. - Non‑steroidal anti‑inflammatory drugs (NSAIDs): enhance gastrointestinal bleeding. - Amiodarone: potentiates warfarin effect, may require dose reduction.

Moderate Interactions (Monitor Closely): - Antibiotics (e.g., trimethoprim‑sulfamethoxazole): may increase INR. - Antifungals (e.g., fluconazole): can raise warfarin levels. - Vitamin K‑rich foods: may reduce anticoagulant effect.