WARFARIN 3 MG TABLETS

Active substance: WARFARIN SODIUM CLATHRATE FORM

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Leaflet outside (Prima)
134 mm
Front page outside

Oral Use

3
mg

500

Braille placement only

Oral Use

3
mg

500

Tablets

20 mm

Tablets

134 mm
Page 6
If you forget to take Warfarin
If you usually take your Warfarin in the evening and you have forgotten to take it, if you remember before midnight on the same day, take the missed dose.
If midnight has passed do not take that dose. Make a note that you have missed a dose and take your normal dose the next day at the usual time.
If you usually take your Warfarin in the morning and have forgotten to take it the general advice is as follows:
• if it is less than two hours late, take the dose as soon as you remember and then continue as normal.
• if it is more than two hours late, take the dose as soon as you remember and then continue as normal. However, if it is time to take your next dose
leave out the missed dose. Never take a double dose to catch up. Make a note that you have missed a dose.
If you are not sure what to do if you have missed a dose ask your GP or anticoagulant clinic for advice.

4

Medicines which have varying effects on Warfarin: Tell your doctor or pharmacist if you are taking:
• corticosteroids (for inflammation and many other diseases)
• nevirapine, ritonavir (for HIV infection).

Stop taking Warfarin and go to hospital at once if you have:
• a rare allergic reaction such as swelling of the face, tongue, lips and throat, difficulty breathing, severe itching of your skin with raised lumps. You may
need urgent medical attention.

Important information about some of the ingredients
• If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicine.

HOW TO TAKE

Always take Warfarin exactly as your doctor has told you. If you are not sure, check with your doctor or pharmacist. Your dose will be decided
by your doctor and will depend on the results of the blood tests carried out to measure the time it takes your blood to clot.
Once you have been stabilised on this medicine the usual dose is between 3 – 9 mg. Try to take the medicine at the same time each day.
If you take more Warfarin than you should
Talk to your doctor or go to your nearest hospital casualty department straight away. Take the medicine pack with you. Symptoms of taking too
much Warfarin include bleeding, black tarry stools, blood in urine, heavy bleeding or oozing from cuts and wounds or unusually heavy
menstrual bleeding.



severe pain in the upper abdomen (a sign of inflammation of the pancreas).

Tell your doctor or pharmacist if any of the following side effects persist, get worse or if you notice any other side effects not listed:
• feeling sick or being sick, diarrhoea
• hair loss
• skin rash
• fever
• drop in number of red blood cells, blood haemoglobin (shown in blood tests).

5

POSSIBLE SIDE EFFECTS

Like all medicines, Warfarin can cause side effects. Do not be concerned about this list of side effects. You may not get any of them, but it is important to
know what to do if they occur.

Pregnancy and breast-feeding
Do not take this medicine if you are pregnant, may become pregnant or have had a baby within the last 48 hours.
See your doctor straight away if you get pregnant whilst taking this medicine.
Warfarin is unlikely to harm your baby during breast-feeding, if taken at the correct dose.
Driving and using machines
Warfarin has no known effect on the ability to drive or operate machines.

3

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Tell your doctor straight away if you have any of the following side effects:
• any unexpected bleeding or signs of bleeding (as this could mean that your clotting levels are too low and that your dose needs to be adjusted);
• unexplained nose bleeds, bleeding gums
• unexplained bruising or pinpoint red spots on your skin
• heavy bleeding or oozing from cuts and wounds
• pink, dark red or brown urine (this may be due to bleeding in the bladder or kidneys)
• black tarry stools, vomiting blood or particles that look like coffee grounds (signs of bleeding in the stomach or intestines), bleeding from the back
passage (rectum)
• coughing up blood
• (in women) unusually heavy periods or bleeding from the vagina
• blurred vision, slurred speech, loss of movement, numbness, dizziness, headache, feeling or being sick, fits, loss of consciousness. These could be
a sign of a bleed in the brain.
• painful, blue-purple coloured toes
• yellowing of the skin and white of eyes (jaundice)

HOW TO STORE

Keep out of the reach and sight of children.
Do not store above 25ºC. Store in the original package. Do not use Warfarin after the expiry date that is stated on the outer packaging. The expiry date
refers to the last day of that month.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These
measures will help to protect the environment.

6

FURTHER INFORMATION

What Warfarin tablets contain:
• The active ingredient is warfarin sodium.
• The other ingredients are lactose 170 mesh, maize starch, pregelatinised maize starch, sodium starch glycolate, magnesium stearate, purified water,
indigo carmine (E132).
What Warfarin tablets look like and contents of the pack:
• Warfarin 3 mg Tablets are blue with WFN above and 3 below a breakline on one side and twin triangle on reverse.
• Warfarin Tablets are available in packs of 7, 14, 21, 28, 30, 50, 56, 60, 84, 90, 100, 112, 120 and 500 tablets, and in hospital packs of 10,000 and 100,000 tablets.
Not all pack sizes may be marketed.
Marketing Authorisation Holder and Manufacturer
TEVA UK Limited, Eastbourne, BN22 9AG.
This leaflet was last revised: August 2011
PL 00289/1628

00017-D

Leaflet inside (Sekunda)

11 mm
Tab/Glue

124 mm

Warfarin

3 mg Tablets
Oral Use

warfarin
3
#3 mg mg
tablets
500

Tablets

10 mm
Glue

Each tablet contains Warfarin
Sodium 3 milligrams. Also
contains lactose monohydrate.
PL 00289/1628 00017-D
For the pharmacist
UK Reg'd T.M.
Please tear off and provide a
leaflet with each prescription dispensed. For oral use.
DOSAGE: The tablets should be swallowed with water, at
the same time each day. Dosage as directed by the doctor.
KEEP ALL MEDICINES OUT OF THE REACH AND
SIGHT OF CHILDREN. Do not store above 25ºC.
Store in the original container.

3 mg Tablets

30 mm

EXP
.:

Warfarin

10 mm
Glue

LOT.:

124 mm

Each tablet contains Warfarin
Sodium 3 milligrams. Also
contains lactose monohydrate.
PL 00289/1628 00017-D
For the pharmacist
UK Reg'd T.M.
Please tear off and provide a
leaflet with each prescription dispensed. For oral use.
DOSAGE: The tablets should be swallowed with water, at
the same time each day. Dosage as directed by the doctor.
KEEP ALL MEDICINES OUT OF THE REACH AND
SIGHT OF CHILDREN. Do not store above 25ºC.
Store in the original container.

11 mm
Tab/Glue

MA Holder:
TEVA UK Limited.,
Eastbourne, BN22 9AG.

20 mm

MA Holder:
TEVA UK Limited.,
Eastbourne, BN22 9AG.

Base label (Selfadhesive)

MA Holder:
TEVA UK Limited.,
Eastbourne, BN22 9AG.

warfarin
#3 mg
tablets

124 mm
Page 5
Medicines which decrease the effect of Warfarin: Tell your doctor or pharmacist if you are taking:
• barbiturates (sedatives)
• primidone, phenytoin, carbamazepine (to treat epilepsy)
• griseofulvin (for fungal infections)
• oral contraceptives (the ’Pill’)
• rifampicin (for tuberculosis)
• azathioprine (for inflammatory bowel disease and rheumatoid arthritis and to prevent organ rejection)
• sucralfate (for stomach ulcers)
• colestyramine (for lowering cholesterol).

ccllabel.dk

3 mg Tablets

10 mm
Glue

5 01 7007 01 6885

Warfarin

Each tablet contains Warfarin
Sodium 3 milligrams. Also
contains lactose monohydrate.
PL 00289/1628 00017-D
For the pharmacist
UK Reg'd T.M.
Please tear off and provide a
leaflet with each prescription dispensed. For oral use.
DOSAGE: The tablets should be swallowed with water, at
the same time each day. Dosage as directed by the doctor.
KEEP ALL MEDICINES OUT OF THE REACH AND
SIGHT OF CHILDREN. Do not store above 25ºC.
Store in the original container.

11 mm
Tab

30 mm

134 mm
Page 1

WARFARIN 3 mg TABLETS
PACKAGE LEAFLET: INFORMATION FOR THE USER
Read all of this leaflet carefully before you start using this medicine.
Keep this leaflet. You may need to read it again. If you have any questions, ask your doctor or pharmacist.
This medicine has been prescribed for you. Do not pass it on to others. It may harm them, even if their symptoms are the same as yours.






It is important to take the correct dose. If you have difficulty, ask someone to help you. If you take the wrong dose or take too much, contact your
doctor or pharmacist (See Section 3).
Carry your Warfarin record card with you at ALL times. Always tell any doctors, surgeons, nurses, dentists or pharmacists that you are taking Warfarin.
Warfarin can be affected by many other medicines including non prescription medicines, herbal remedies, vitamin and food supplements. (See
Section 2.’Taking other medicines’). Do not start taking any new medicine without checking it is safe to take it with Warfarin; especially aspirin,
ibuprofen and other NSAIDs (non-steroidal anti-inflammatory medicines), as these can make you more likely to bleed.
Some foods and illnesses can affect Warfarin treatment. Follow the advice in Section 2 ’Things which affect Warfarin’.
If you have any signs or symptoms of bleeding, contact a doctor straight away (See Section 4).
Seek medical help at once if you unable to stop any bleeding, you fall, get hurt or hit your head.

1.
2.
3.
4.
5.
6.

What Warfarin is and what it is used for
Before you take Warfarin
How to take
Possible side effects
How to store
Further information




IN THIS LEAFLET:

1

WHAT WARFARIN IS AND WHAT IT IS USED FOR

Warfarin belongs to a group of medicines called anticoagulants. It is used to reduce the clotting ability of the blood. (It is sometimes called a ’blood
thinner’, but it does not actually thin the blood.)
Warfarin is used to prevent and treat blood clots forming in the legs, lungs, brain and heart.
The tablets come in three stengths and colours: 1 mg (brown); 3 mg (blue); 5 mg (pink).

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Page 2

2

BEFORE YOU TAKE WARFARIN

DO NOT take Warfarin if you:
• are allergic to Warfarin or any of the other ingredients (see Section 6)
• are pregnant or may become pregnant or have had a baby in the last 48 hours
• have or have ever had any bleeding problems
• have recently had a stroke caused by bleeding in the brain
• have had surgery within the last 72 hours or are going to have surgery in the next 72 hours
• are taking non-steroidal anti-inflammatory drugs (NSAIDs), aspirin or anti-clotting medicines as this may increase the risk of bleeding.
(See Section 2 ‘Taking other medicines’).
If any of these apply to you, do not take this medicine and go back to your doctor to discuss your treatment.
Check with your doctor or pharmacist before taking these tablets if you have:
• very high blood pressure which is not controlled by medicines
• a stomach or duodenal ulcer or have ever had one
• previously had gastrointestinal bleeding
• had recent ischaemic stroke (caused by blockage of blood vessels in the brain)
• an infection of the heart lining (bacterial endocarditis)
• problems with circulation of blood to the brain (cerebrovascular disease)
• thyroid problems
• severe heart disease, liver or kidney problems
• have a condition making you prone to blood clots (thrombophylia)
• anaemia (low haemoglobin causing extreme tiredness, breathlessness, poor resistance to infection)
• a tumour or cancer
• had a recent wound or injury
• a higher risk of bleeding, for example because you are over 65 years of age or are unsteady on your feet and more likely to fall and injure yourself.
If any of these apply to you, tell your doctor or pharmacist before taking Warfarin, as you may need to be checked more often during treatment.
Regular blood tests
You will have regular blood tests to see how long it takes your blood to clot. These blood tests are very important to make sure you are taking the right
dose. Blood tests will be more frequent if have had your dose of Warfarin changed, if you have started or stopped taking other medicines, or have liver or
kidney problems.

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Page 3
Things which affect Warfarin
A number of things affect blood clotting and can therefore affect your Warfarin treatment. To make sure your Warfarin works properly and safely, it is
important to follow the advice below.
Increases effect of Warfarin

Reduces effect of Warfarin

What to do

Weight loss

Weight gain

Do not go on a weight reducing diet or change your eating habits without
discussing it first with your doctor or nurse.
Keep your level of activity as close to normal as possible.

Vitamin K

Do not take vitamin K supplements.

Foods such as liver, broccoli, brussel
sprouts and green leafy vegetables
contain large amounts of vitamin K.

Don’t make any major changes to your diet whilst taking Warfarin.

Cranberry juice and
cranberry products (and
possibly grapefruit juice)

Don’t drink either cranberry juice or grapefruit juice or products
containing these whilst taking Warfarin.

Large amounts of alcohol
Sudden illness such as the flu
or feeling run down
Stopping smoking

Only drink small amounts whilst taking Warfarin.
Stomach upset, diarrhoea, being
sick (vomiting).

If any of these happen, tell your doctor or nurse, as your dose may need to
be changed.
Seek medical advice before you give up smoking.

Keep healthcare professionals informed
Carry your anticoagulation record card with you at ALL times. Always tell any doctors, surgeons, nurses, dentists or pharmacists that you go to that you
are taking Warfarin. You should also have received a booklet which includes more information about Warfarin along with a list of symptoms which need
to be checked by your doctor immediately.
Operations
Due to the risk of bleeding, you may need to lower your dose before an operation or removal of teeth. You should stop taking Warfarin 72 hours before and
after surgery where there is a risk of severe bleeding. Make sure you tell your doctor or dentist you are taking Warfarin.

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Page 4 (Front page inside)
Taking other medicines
Many medicines affect the way Warfarin works. You must tell your doctor before you start taking any other medicines including over the counter
medicines, herbal remedies and vitamin supplements.
Do not take Warfarin and tell your doctor if you are taking:
• alteplase, reteplase, streptokinase, tenecteplase, urokinase (fibrinolytic drugs to treat or prevent blood clots)
• St John’s wort (Hypericum perforatum) a herbal remedy for depression.
Check with your doctor first before taking these medicines:
• non-steroidal anti-inflammatory drugs (NSAIDs) for pain and inflammation including aspirin, ibuprofen, celecoxib, diclofenac, indometacin, meloxicam
• clopidogrel, abciximab, dipyridamole, eptifibatide, tirofiban (antiplatelet drugs to prevent or break down blood clots)
• heparin or medicines containing heparin, bivalirudin, fondaparinux, dabigatran, rivaroxaban, danaparoid, prostacyclin (other anticoagulants)
• sulfinpyrazone (for gout)
• glucosamine (for osteoarthritis)
• SSRI and SNRI antidepressants such as citalopram, fluoxetine, paroxetine, venlafaxine.
Medicines which increase the effect of Warfarin: Tell your doctor if you are taking:
• prolonged, regular use of paracetamol (for pain or inflammation)
• antibiotics such as amoxicillin, levofloxacin and tetracycline
• vitamin K (in vitamin supplements or in cod liver oil)
• allopurinol (for gout)
• capecitabine, erlotinib, tamoxifen (for types of cancer)
• disulfiram (for alcohol dependence)
• ketoconazole, fluconazole, itraconazole (for fungal infections)
• omeprazole (for stomach ulcers)
• propafenone, amiodarone, quinidine (for heart disorders)
• methylphenidate (for attention deficit disorder)
• zafirlukast (for asthma)
• bezafibrate, ciprofibrate, fenofibrate, gemfibrozil (to reduce high blood fats)
• statins such as fluvastatin to lower cholesterol (but this does not include pravastatin)
• erythromycin, sulfamethoxazole, metronidazole (for bacterial infections)
• orlistat (for obesity).

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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.

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