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compositionComposition:WARFARIN-5MG
prescription
Prescription Medicine
info
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UNIWARFIN 5MG TABLET is used to prevent and treat deep vein thrombosis (blood clots in leg veins) and pulmonary embolism (blood clots in the lung) by reducing the formation of a blood clot. It contains Warfarin, which works by inhibiting the production of clotting factors by decreasing the action of vitamin K. This prevents the conversion of fibrinogen (soluble protein) to fibrin (insoluble protein), thereby preventing blood clot formation. Some people may experience unusual bleeding or skin rash. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions. You must be cautious while shaving and brushing your teeth to avoid too much bleeding from the injury site.

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Written By Veda Maddala , M Pharmacy
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
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More about the Product

Composition :

WARFARIN-5MG

Manufacturer/Marketer :

Unichem International

Consume Type :

Oral

Expires on or after :

Jan-27

Return Policy :

Not Returnable

About UNIWARFIN 5MG TABLET

UNIWARFIN 5MG TABLET is a medication prescribed to prevent and treat harmful blood clots. It helps lower your risk of serious, life-threatening conditions like strokes and heart attacks by keeping your blood flowing smoothly. Doctors commonly prescribe this medicine for individuals with irregular heartbeats, artificial heart valves, or a history of blood clots.

To ensure this medicine works safely, you must take UNIWARFIN 5MG TABLET exactly once a day at the same time. You can take this tablet with or without food, but you must keep your daily routine consistent. Making steady diet and lifestyle choices, particularly regarding the types of vegetables you eat, plays a significant role in how well this medicine manages your condition.

While taking UNIWARFIN 5MG TABLET, you may experience mild side effects like easy bruising or small cuts that take slightly longer to stop bleeding. However, you must contact your doctor or seek urgent care immediately if you notice serious signs of bleeding, such as unusual nosebleeds, blood in your urine, or dark, tarry stools.

Do not take this if you have an active bleeding medical issue or extremely high blood pressure or if you have recently had major surgery. Talk to your doctor before starting UNIWARFIN 5MG TABLET if you have liver disease, kidney problems, or a history of stomach ulcers.

This medicine can interact with several common pain relievers, herbal supplements, and alcohol, which can dangerously alter how your blood clots. If you are pregnant, planning to become pregnant, or breastfeeding, you must consult your doctor immediately, as this medicine can cause severe harm to an unborn baby.
 

Uses of UNIWARFIN 5MG TABLET

UNIWARFIN 5MG TABLET is used to prevent and treat harmful blood clots. The detailed uses of UNIWARFIN 5MG TABLET are as follows:

  • Deep vein thrombosis (DVT): UNIWARFIN 5MG TABLET is used to treat and prevent blood clots that form in the deep veins of your legs, reducing pain and swelling.
  • Pulmonary embolism (PE): This medicine treats clots that have travelled to your lungs, helping to restore normal blood flow and oxygen delivery to your body.
  • Stroke prevention in atrial fibrillation: UNIWARFIN 5MG TABLET helps prevent blood clots from forming in the heart due to an irregular heartbeat, significantly reducing the risk of a stroke.
  • Artificial heart valve complications: It prevents clots from forming on mechanical or tissue heart valves, ensuring these devices continue to work safely.

Key Benefits

UNIWARFIN 5MG TABLET provides reliable, long-term protection to help reduce the risk of harmful blood clots and the serious health complications they can cause. By helping your blood flow more freely and preventing clot formation, this medicine offers several key benefits:

  • Reduces the Risk of Dangerous Blood Clots: By preventing new blood clots from forming and stopping existing clots from growing larger, it helps protect against potentially life-threatening complications affecting the brain, lungs, heart, and other parts of the body.
  • Supports Stroke and Cardiovascular Protection: Consistent use helps lower the risk of stroke and other clot-related events in people with certain heart and blood vessel conditions, supporting better long-term cardiovascular health.
  • Provides Long-Term Peace of Mind: By helping maintain healthy blood circulation and reducing the likelihood of serious clotting complications, this medicine allows many people to continue their daily activities with greater confidence while supporting their ongoing health management.

Directions for Use

To get the best results from your treatment, follow these simple administration steps:

  • Take your dose once a day, at the exact same time every day.
  • Swallow the tablet whole with a full glass of water. Do not crush, chew, or break the tablet.
  • You may take this medicine with or without food, but choose one method and stay consistent daily.
  • If your doctor changes your dose based on your blood tests, follow their new directions precisely.
  • Always follow your doctor's exact instructions regarding your daily dose. Never alter your dose or stop taking this medicine without consulting your healthcare provider first.
     

How UNIWARFIN 5MG TABLET Works

UNIWARFIN 5MG TABLET works by slowing down your body's natural process of making blood clots. It achieves this by blocking an enzyme in your liver that uses vitamin K to produce clotting factors, the essential proteins that allow blood cells to stick together. By reducing the overall amount of these clotting factors in your circulation, the medicine makes it harder for your blood to form harmful clots. While it cannot dissolve an existing blood clot, it effectively prevents current clots from getting larger, allowing your body to naturally break them down over time.
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Alcohol

Unsafe

You are recommended to avoid consumption of alcohol with UNIWARFIN 5MG TABLET as it may increase the risk of bleeding.

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Pregnancy

Unsafe

UNIWARFIN 5MG TABLET is a Category D pregnancy drug. It means UNIWARFIN 5MG TABLET can cause fetal harm when administered to a pregnant woman. It should not be given in pregnant women with mechanical heart valves as they are at high risk of thromboembolism.

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Breast Feeding

Caution

UNIWARFIN 5MG TABLET is not found in breast milk, but it should be used with caution if prescribed by your doctor.

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Driving

Safe if prescribed

UNIWARFIN 5MG TABLET usually does not affect your ability to drive or operate machinery.

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Liver

Caution

Take UNIWARFIN 5MG TABLET with caution, especially if you have a history of Liver diseases/conditions. The dose may be adjusted by your doctor as required.

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Kidney

Caution

Take UNIWARFIN 5MG TABLET with caution, especially if you have a history of Kidney diseases/conditions. The dose may be adjusted by your doctor as required.

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Children

Consult your doctor

It is unknown whether UNIWARFIN 5MG TABLET is safe and effective in children. So, please consult a doctor if you have any concerns regarding the use of UNIWARFIN 5MG TABLET for children.

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Heart

Safe if prescribed

UNIWARFIN 5MG TABLET can be used in heart patients if prescribed by the physician to reduce the risk of heart attack and stroke. Please consult your physician if you have any concerns.

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Geriatrics

Caution

UNIWARFIN 5MG TABLET is generally safe for use in elderly patients if recommended by the physician.

What if I have taken an overdose of UNIWARFIN 5MG TABLET

If you suspect an overdose, seek emergency medical assistance or call a poison control center immediately, even if you do not see any active bleeding. An overdose of this medicine can cause severe, hidden internal bleeding that requires immediate medical treatment.

Diet & Lifestyle Advise

  • Keep your vitamin K intake consistent: Do not suddenly increase or decrease your consumption of foods rich in vitamin K, such as spinach, kale, broccoli, cabbage, and green tea, as these can make your medicine less effective.
  • Avoid heavy alcohol use: Do not drink alcohol heavily or binge drink, as alcohol can unpredictably change how your liver processes UNIWARFIN 5MG TABLET, increasing your risk of bleeding.
  • Use a soft-bristled toothbrush: Brush your teeth gently and use waxed dental floss to prevent your gums from bleeding.
    Switch to an electric razor: Shave with an electric razor rather than a manual blade to minimise your risk of cuts and skin bleeding.
  • Avoid contact sports: Steer clear of high-impact activities, such as football, skiing, or boxing, where falls or head injuries could cause severe internal bleeding.
health query

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How Soon It Starts Working

The time required for UNIWARFIN 5MG TABLET to start to work: The time required for UNIWARFIN 5MG TABLET to start to work is 36 to 48 hours after administration. The time for which the effects of UNIWARFIN 5MG TABLET last: The effect of UNIWARFIN 5MG TABLET lasts for 2 to 5 days.

What if you forget to take UNIWARFIN 5MG TABLET

If you miss a dose, take it as soon as you remember on the same day. If you do not remember until the next day, skip the missed dose and take your regularly scheduled dose. Never take a double dose to make up for a missed one. Write down any missed doses and share this information with your doctor.

Storage

• Store UNIWARFIN 5MG TABLET tablets at room temperature, strictly between 20°C and 25°C (68°F to 77°F). • Keep the bottle tightly closed in its original container to protect the tablets from light and moisture.

Drug Warnings

  • Wear medical alert identification: Always carry a medical ID card in your wallet or wear a medical alert bracelet stating that you take UNIWARFIN 5MG TABLET.
  • Inform all healthcare providers: Tell every doctor, dentist, and surgeon you visit that you are taking this medicine before you undergo any medical procedures or start new treatments.
  • Seek immediate help for falls: If you fall, hit your head, or experience a hard blow to your body, contact your doctor immediately, even if you do not feel hurt, to check for internal bleeding.
  • Attend all blood test appointments: Never skip your scheduled blood tests (INR tests), as these are the only way to ensure your dose is both safe and effective.
  • Consult before taking new products: Do not start any new over-the-counter medicines, vitamins, or herbal supplements without checking with your pharmacist first.

Drug-Drug Interactions

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Drug-Drug Interactions

Taking UNIWARFIN 5MG TABLET with aspirin, ibuprofen, naproxen, or other non-steroidal anti-inflammatory drugs (NSAIDs) greatly increases your risk of severe stomach bleeding. Certain antibiotics, antifungal medications, and seizure drugs can also interfere with UNIWARFIN 5MG TABLET, either making your blood too thin or reducing the medicine's protective effects.

Drug-Food Interactions

Large amounts of green leafy vegetables high in vitamin K can block the clot-preventing effects of UNIWARFIN 5MG TABLET. Cranberry juice, grapefruit juice, and herbal supplements like garlic, ginger, ginkgo, and ginseng can interact with this medicine and dangerously increase your risk of bleeding.

Drug-Disease Interactions

Do not take this if you have active internal bleeding, a history of bleeding disorders, or severe, uncontrolled high blood pressure. Use this medicine with extreme caution if you have liver damage, kidney disease, or a history of active stomach ulcers.
 

WarfarinTamoxifen
Critical
WarfarinMetronidazole
Severe

Drug-Drug Interactions

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WarfarinTamoxifen
Critical
How does the drug interact with Uniwarfin 5mg Tablet:
Taking tamoxifen with Uniwarfin 5mg Tablet can increase the risk of bleeding.

How to manage the interaction:
Taking Tamoxifen with Uniwarfin 5mg Tablet is not recommended but can be taken together if prescribed by a doctor. However, consult a doctor if you experience bleeding, vomiting, blood in your urine or stools, headache, dizziness, or weakness. Do not discontinue any medications without consulting a doctor.
WarfarinMetronidazole
Severe
How does the drug interact with Uniwarfin 5mg Tablet:
Coadministration of metronidazole with Uniwarfin 5mg Tablet can increase the risk of bleeding.

How to manage the interaction:
There is a possible interaction between metronidazole and Uniwarfin 5mg Tablet, but they can be taken together if a doctor has prescribed them. Consult a doctor if experience unusual bleeding or bruising, vomiting, blood in your urine or stools, headache, dizziness, or weakness. Do not stop using any medications without talking to a doctor.
WarfarinTestosterone
Severe
How does the drug interact with Uniwarfin 5mg Tablet:
Coadministration of Uniwarfin 5mg Tablet with Testosterone can increase the risk of unusual bleeding.

How to manage the interaction:
Although taking Testosterone and Uniwarfin 5mg Tablet together can result in an interaction, it can be taken if a doctor has prescribed it. However, if you experience unusual bleeding or bruising, dizziness, lightheadedness, red or black, tarry stools, coughing up or vomiting fresh or dried blood, severe headache, and weakness, consult a doctor. Do not stop using any medications without a doctor's advice.
WarfarinImatinib
Severe
How does the drug interact with Uniwarfin 5mg Tablet:
Co-administration of Uniwarfin 5mg Tablet with Imatinib can increase the risk of bleeding.

How to manage the interaction:
Although taking Imatinib and Uniwarfin 5mg Tablet together can result in an interaction, they can be taken together if prescribed by a doctor. However, if you experience any signs and symptoms of unusual bleeding or bruising, vomiting, blood in your urine or stools, headache, dizziness, or weakness, consult a doctor immediately. Do not stop using any medications without consulting a doctor.
WarfarinFondaparinux
Severe
How does the drug interact with Uniwarfin 5mg Tablet:
Taking Uniwarfin 5mg Tablet with fondaparinux can increase the risk of bleeding.

How to manage the interaction:
Although there is an interaction between Fondaparinux and Uniwarfin 5mg Tablet, they can be taken together if prescribed by a doctor. However, if you experience dizziness, lightheadedness, red or black, tarry stools, severe headache, and weakness, consult a doctor immediately. Do not stop using any medications without consulting a doctor.
WarfarinEtodolac
Severe
How does the drug interact with Uniwarfin 5mg Tablet:
Taking Uniwarfin 5mg Tablet together with Etodolac can increase the risk of bleeding.

How to manage the interaction:
Although taking Etodolac and Uniwarfin 5mg Tablet together can result in an interaction, they can be taken together if prescribed by a doctor. However, if you experience unusual bleeding or bruising, vomiting, blood in your urine or stools, headache, dizziness, or weakness consult a doctor immediately. Do not stop using any medications without consulting a doctor.
WarfarinThiopental
Severe
How does the drug interact with Uniwarfin 5mg Tablet:
Taking Uniwarfin 5mg Tablet and thiopental can reduce the blood levels of Uniwarfin 5mg Tablet, which may make the medication less effective.

How to manage the interaction:
Although taking Thiopental together with Uniwarfin 5mg Tablet can result in an interaction, they can be taken together if prescribed by a doctor. However, if you experience chest pain, shortness of breath, sudden loss of vision, pain, redness, or swelling in an extremity, consult a doctor immediately. Do not discontinue any medicine without consulting a doctor.
WarfarinPhenobarbital
Severe
How does the drug interact with Uniwarfin 5mg Tablet:
Taking Uniwarfin 5mg Tablet with Phenobarbital can significantly lower the Uniwarfin 5mg Tablet blood levels.

How to manage the interaction:
Although taking phenobarbital and Uniwarfin 5mg Tablet together can result in an interaction, it can be taken if a doctor has prescribed it. However, if you observe any indications of blood clots, such as chest discomfort, shortness of breath, abrupt loss of vision, and/or pain, redness, or swelling in an extremity, consult a doctor. Do not stop using any medications without a doctor's advice.
WarfarinGatifloxacin
Severe
How does the drug interact with Uniwarfin 5mg Tablet:
Coadministration of Uniwarfin 5mg Tablet with Gatifloxacin can increase the risk of bleeding.

How to manage the interaction:
Although taking Gatifloxacin and Uniwarfin 5mg Tablet together can result in an interaction, they can be taken together if prescribed by a doctor. However, if you experience any signs and symptoms of unusual bleeding, like blood in urine, bruising, coughing up or vomiting blood that looks like coffee grounds, or having a severe headache, consult a doctor immediately. Do not stop using any medications without consulting a doctor.
WarfarinRifabutin
Severe
How does the drug interact with Uniwarfin 5mg Tablet:
Coadministration of Uniwarfin 5mg Tablet and rifabutin can reduce the effects of Uniwarfin 5mg Tablet.

How to manage the interaction:
Although taking Rifabutin and Uniwarfin 5mg Tablet together can result in an interaction, it can be taken if a doctor has prescribed it. However, if you experience chest discomfort, shortness of breath, abrupt loss of vision, and/or pain, redness, or swelling in an extremity, consult a doctor. Do not stop using any medications without a doctor's advice.

Drug-Food Interactions

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WARFARIN-5MGVitamin-K rich foods
Moderate

Drug-Food Interactions

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WARFARIN-5MGVitamin-K rich foods
Moderate
Common Foods to Avoid:
Avocado, Black Liquorice, Broccoli, Brussels Sprouts, Cabbage, Collard Greens, Coriander, Turnip Greens, Spinach, Green Tea, Kale

How to manage the interaction:
Increasing vitamin K levels in the body can promote clotting and reduce the effectiveness of Uniwarfin 5mg Tablet. Avoid or limit consumption of foods rich in vitamin K while being treated with Uniwarfin 5mg Tablet.

All Substitutes & Brand Comparisons

Habit Forming

No

Therapeutic Class

[ANTICOAGULANTS / ANTITHROMBOTICS. ANTICONVULSANTS]

FAQs

UNIWARFIN 5MG TABLET is used to prevent and treat deep vein thrombosis (blood clots in leg veins) and pulmonary embolism (blood clots in the lung) by reducing the formation of a blood clot.
No, you are not recommended to take aspirin with UNIWARFIN 5MG TABLET as co-administration of these two medicines may increase the risk of bleeding more easily. However, if you notice blood in urine or stools, dizziness, unusual bleeding or bruising, vomiting, weakness or headache, please consult a doctor immediately. If you are supposed to use these medicines together, you are advised to contact your doctor so that the dose may be adjusted appropriately to use safely.
It is recommended to avoid vitamin K rich foods such as coriander, red cabbage, spinach, broccoli, collard greens, kale (leaf cabbage), black liquorice, turnip greens, avocados, parsley, brussels sprouts and green tea as they may decrease the effectiveness of UNIWARFIN 5MG TABLET. Also, avoid intake of cranberry juice, alcohol and grapefruit juice as they increase the risk of bleeding.
Yes, UNIWARFIN 5MG TABLET may cause hair loss if the treatment is given for many months.
No, you are not recommended to stop taking UNIWARFIN 5MG TABLET without consulting your doctor as it may worsen the condition. Therefore, take UNIWARFIN 5MG TABLET for as long as your doctor has prescribed it.
No, you are usually not advised to have a tattoo or body piercing while taking UNIWARFIN 5MG TABLET as it may increase the risk of bleeding and infection. If you still wish to proceed further, contact your doctor so that the dose may be adjusted or any antibiotics may be prescribed and let the piercer or tattooist know in advance that you are on treatment with a blood thinner.
Yes, you are advised to stop taking UNIWARFIN 5MG TABLET within 24 hours of surgery or delivery as UNIWARFIN 5MG TABLET may increase the risk of bleeding. Therefore, before having a dental procedure or any surgery, please inform your doctor that you are taking UNIWARFIN 5MG TABLET.
You should avoid or strictly limit your alcohol consumption while taking this medicine. Alcohol changes how your liver processes the drug, which can dangerously increase your risk of severe bleeding. Talk to your doctor or pharmacist about what is safe for you.
For minor cuts, apply firm, continuous pressure with a clean cloth for at least 10 minutes. If the bleeding does not stop, or if you experience a heavy nosebleed or notice blood in your urine or stool, seek emergency medical care. Talk to your doctor if you experience any unusual bruising.
You should avoid common pain relievers like ibuprofen, naproxen, and aspirin unless your doctor specifically tells you to take them. These medicines increase your risk of stomach bleeding when combined with UNIWARFIN 5MG TABLET. Talk to your doctor about safer alternatives, such as acetaminophen.
Regular blood tests (called INR tests) are necessary to measure how quickly your blood clots. Because your diet, other medications, and illness can easily change how UNIWARFIN 5MG TABLET works, these tests help your doctor keep your dose in a safe range. Talk to your doctor about your testing schedule.
No, you do not need to stop eating them, but your daily intake must remain consistent. Eating a large portion of leafy greens one day and none the next can cause your blood clotting levels to fluctuate dangerously. Talk to your doctor or a dietitian before making major dietary changes.
No, you should not take UNIWARFIN 5MG TABLET during pregnancy as it can cause serious birth defects and bleeding issues in an unborn baby. If you are planning a pregnancy or discover you are pregnant, talk to your doctor immediately to discuss safer alternative treatments.
The length of your treatment depends on the medical condition being treated. Some people only need to take it for a few months following a clot, while others with chronic heart valve issues or irregular heartbeats must take it long-term. Talk to your doctor about your specific treatment plan.
The length of your treatment depends on the medical condition being treated. Some people only need to take it for a few months following a clot, while others with chronic heart valve issues or irregular heartbeats must take it long-term. Talk to your doctor about your specific treatment plan.
You must inform your dentist or surgeon that you are taking UNIWARFIN 5MG TABLET well before any scheduled procedure. You may need to temporarily stop taking the medicine or have your dose adjusted to prevent dangerous bleeding during the procedure. Talk to your doctor before stopping your medicine.

Disclaimer

While we strive to provide complete, accurate, and expert-reviewed content on our 'Platform', we make no warranties or representations and disclaim all responsibility and liability for the completeness, accuracy, or reliability of the aforementioned content. The content on our platform is for informative purposes only, and may not cover all clinical/non-clinical aspects. Reliance on any information and subsequent action or inaction is solely at the user's risk, and we do not assume any responsibility for the same. The content on the Platform should not be considered or used as a substitute for professional and qualified medical advice. Please consult your doctor for any query pertaining to medicines, tests and/or diseases, as we support, and do not replace the doctor-patient relationship.

Reference

  1. Electronic Medicines Compendium (EMC). Pil.3064 Patient Information Leaflet (PIL). Cheshire, UK: Datapharm; 2025. [Accessed on 02 Jun. 2026]Check here
  2. Electronic Medicines Compendium (EMC). Pil.5766 Patient Information Leaflet (PIL). Cheshire, UK: Datapharm; 2025. [Accessed on 02 Jun. 2026]Check here
  3. U.S. Food and Drug Administration (FDA). 009218S107Lbl [FDA Prescribing Information]. Silver Spring, MD: FDA; 2024. [Accessed on 02 Jun. 2026]Check here
  4. Drugs.com Clinical Review Team. Warfarin Clinical Drug Monograph. Auckland, NZ: Drugs.com; 2026. [Accessed on 02 Jun. 2026]Check here
  5. National Health Service (NHS). Warfarin - NHS Medicines Reference Guide. London, UK: NHS; 2025. [Accessed on 02 Jun. 2026]Check here
  6. Warfarin sodium. 2021. [Accessed on 25 Feb. 2025]Check here
  7. Ema. Warfarin. SmPC.[Accessed on 23 Jan 2020]Check here

Country of origin

India

Manufacturer/Marketer address

Unichem Laboratories Ltd., Unichem Bhavan, Prabhat Estate, Off S.V.Road, Jogeshwari (West), Mumbai – 400 102
Other Info - UNI0006
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