Warfarin: Uses, Dosage, Price, Side Effects, Precautions & More

What is Warfarin?

Warfarin is sold under the brand name Coumadin. It is an anticoagulant drug. Warfarin is used in the treatment of thrombosis.

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Uses of Warfarin

• Warfarin is used to treat blood clot such as deep vein thrombosis.
• It is used to prevent stroke which can be caused due to heart diseases and artificial heart valves.
• Warfarin is also used in antiphospholipid syndrome.

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How Does Warfarin Work?

Clot formation is a complex process which takes place with the help of clotting factors. Warfarin blocks the vitamin K, which is used to produce clotting factors and decreases the ability of the blood clotting process.

How to Take Warfarin?

• Swallow the tablet wholly. Do not crush, chew or break it.
• Warfarin can be taken with or without food.
• Try to take it the same time every day. It is better to take this drug at evening times it requires dosage adjustments.

Warfarin Price in India

Common Dosage for Warfarin

• The dosage is different for different conditions. So it is safe to consult the doctor before taking the dosage.
• Atrial fibrillation – 2 to 5 mg per day
• Stroke – 2 to 5 mg per day which may be increased to up to 10mg
• Other conditions such as deep vein thrombosis and myocardial infarction also have the same dosage between 2mg and 5 mg per day.

Precautions – When to Avoid Warfarin?

While taking Warfarin you should follow the following steps:

• Don’t delay or miss a scheduled meal or snack
• Don’t take Warfarin along with other certain medications.
• Avoid consuming alcohol for initial days while taking Warfarin.

Side-Effects of Warfarin

Some common side effects of Warfarin are:

• Nausea
• Vomiting
• hallucination
• Depression
• Dark urine
• Dry mouth
• Sweating
• Allergies like rashes or irritation
• Loss of appetite
• Diarrhoea
• Jaundice
• Constipation
• Fatigue
• Sleeplessness
• Bleeding

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Effects of Warfarin on Organs

Patients who have liver problems will suffer more damaging effects on the liver while consuming Warfarin. Sometimes, it may cause Urinary tract infections too.