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Warfarin - Indications, Dosage, Side Effects and Precautions

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Warfarin Medication Information

Learn everything you need to know about Warfarin-pronunciation, uses, dosage guidelines, indications, and when to take or avoid it.

Get up-to-date information on side effects, precautions, warnings, and proper storage to ensure safe usage.

Explore Warfarin brand names commonly used in India and internationally, along with detailed pricing information. Consult your healthcare provider for tailored medical advice.

Generic Name : Warfarin
Pronunciation : war' far in
ICD Code : Y44.2 Therapeutic Classification : Anticoagulants / Antithrombotics

Brand Names or Trade Names of Warfarin

India :

International :


Coumadin, Jantoven

Why is Warfarin Prescribed? (Indications)

This medication is an anticoagulant, prescribed for deep venous thrombosis and pulmonary embolism. It reduces the formation of blood clots.

When should Warfarin not be taken? (Contraindications)

Contraindicated in patients with severe bleeding problems, spontaneous abortion, ulcer, recently underwent a surgery, pregnancy and hypersensitivity.

What is the dosage of Warfarin?

Adult: PO/IV- Initial: 5 mg/day. Rapid anti-coagulation: Initial: 10 mg/day for 2 days. Maintenance: 2-10 mg/day.

How should Warfarin be taken?

It comes as a tablet to take by mouth, with or without food.
It also comes as a solution for injection to be administered by a healthcare provider.

What are the warnings and precautions for Warfarin?

• Caution should be exercised in patients with history of liver, kidney, or thyroid problems, yellowing of the skin or eyes, mental problems, high cholesterol, joint inflammation, sugar, cancer, stomach or bowel problems, any allergy, who are taking other medications, during pregnancy and breastfeeding.

• Avoid alcohol consumption.

• Avoid cranberry juice consumption while taking this medication.

• Avoid becoming overheated.

What are the side effects of Warfarin?

Most Common - Tingling, headache, chest, abdomen, joint, muscle pain, dizziness, shortness of breath, difficulty in breathing or swallowing, unexplained swelling, weakness, low blood pressure and shock.
Hypersensitivity - Hives, itching, fever, rash and hair loss.
Gastrointestinal - Nausea, vomiting, diarrhea and abdominal pain.
Central Nervous System - Fatigue, tiredness, uneasiness, weakness, headache, dizziness, loss of consciousness, fainting, coma and taste perversion.

What are the other precautions for Warfarin?

Avoid excess dosage.

What are the storage conditions for Warfarin?

Store it at room temperature and away from light.

Warfarin: What You Need to Know About The Anticoagulant Drug


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