Warfarin Tablets

Warfarin

Formulated for thromboembolism to mitigate clotting risks.

Active ingredient
Warfarin
Supply
Rx
Route
Oral use
Form
Tablet
Strengths
1 · 2 · 5mg

Warfarin Tablets details

Alternative names
Marevan; Warfant
Therapeutic class
Vitamin K Antagonist
Pharmacological class
Coumarin Anticoagulant
Minor side effects
bruising; minor bleeding
Moderate side effects
epistaxis; haematuria; alopecia
Dosage forms
Tablet
Administration route
Oral use
Patient summary
Formulated for thromboembolism to mitigate clotting risks.
Supply category
Prescription only (specially controlled medicine)
Manufacturer
Teva UK
Onset Time
48–72 hours
Duration
2–5 days
Storage instructions
Store below 25°C in a dry place.
Drug interactions
Alcohol; Cranberry juice; NSAIDs; Antibiotics
Age restrictions
Use with caution in elderly patients.
Contraindications

pregnancy; severe hypertension; hemorrhagic conditions; severe hepatic impairment

Precautions and warnings

regular blood monitoring required; avoid rapid dietary changes in vitamin k intake; inform your doctor before any planned surgery

Serious side effects

major haemorrhage, requires immediate medical attention; calciphylaxis, requires immediate medical attention

Mechanism of action

Warfarin acts as a vitamin K antagonist by inhibiting the enzyme vitamin K epoxide reductase. This impairs the synthesis of vitamin K-dependent clotting factors II, VII, IX, and X, effectively prolonging the time required for blood to clot.

Pregnancy and breastfeeding

Pregnancy: Contraindicated as it may cause congenital malformations. Breastfeeding: Generally considered safe.

Where this medicine is registered

  • Singapore
  • Hong Kong
  • Thailand
  • Malaysia
  • Philippines
  • Indonesia
  • Taiwan
  • South Korea
  • Japan
  • Australia
  • New Zealand
  • UAE
  • South Africa

About Warfarin Tablets

Warfarin Tablets are a widely used anticoagulant therapy for managing conditions like Atrial Fibrillation, Thromboembolism and Deep Vein Thrombosis. The same active ingredient is also sold under brand names including Marevan and Warfant. These are supplied as tablets in 1, 2 and 5mg strengths from manufacturers such as Teva UK.

Buying Warfarin Tablets online

Warfarin Tablets are registered across 14 markets, including Hong Kong, Thailand and Malaysia, with availability extending to the Philippines, Indonesia and Taiwan. Patients across the region can order medication supplies online for delivery to avoid the inconvenience of searching for specific products. Generic warfarin is often far more affordable than original brands, ensuring this therapy remains accessible for expats and others living far from a well stocked pharmacy network.