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The product code(s) for this leaflet are: PL 31750/0092, PL 31750/0093, PL 31750/0094, PL 31750/0095.
Warfarin 0.5mg, 1mg, 3mg & 5mg Tablets
WARFARIN
0.5, 1, 3 and 5 mg TABLETS
(Warfarin Sodium)
1. What Warfarin Tablets are and what they are used for
2. What you need to know before you take Warfarin Tablets
3. How to take Warfarin Tablets
4. Possible side effects
5. How to store Warfarin Tablets
6. Contents of the pack and other information
Warfarin Tablets belong to a group of drugs called anti-coagulants. You take Warfarin Tablets to help thin your blood if you have had a heart problem, problems with blood clots or your blood flow. You may also be given Warfarin Tablets if you have been fitted with a replacement heart valve.
Do not take Warfarin Tablets within 24 hours of surgery or giving birth to a child.
Tell your doctor if you are taking, have recently taken or might take any other medicines. Many drugs may increase or decrease the effects of Warfarin Tablets. It is particularly important to tell your doctor if you are taking, or have recently taken any of the medicines listed below:
Do not take any other drug without speaking to your doctor first.
Do not drink large amounts of alcohol while taking Warfarin Tablets.
Drinking cranberry juice or taking other cranberry products (for example capsules or concentrates), might increase the effect of Warfarin Tablets in “thinning” the blood. You should therefore avoid drinking/taking these products whilst taking Warfarin Tablets. If you have been advised to take cranberry juice or other products for medical reasons (e.g. bladder infections), or are regularly drinking or taking cranberry products, you should contact your anticoagulant clinic or health advisor before making any changes to the amount you drink/take. Your doctor or clinic may wish to monitor you more frequently while you are taking any cranberry product.
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.
Warfarin Tablets 0.5 mg, 1 mg, 3 mg and 5 mg contain lactose. If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.
Warfarin Tablets 1 mg contain quinoline yellow (E104) which may cause allergic reactions.
Warfarin Tablets 1 and 3 mg contain indigotin (E132) which may cause allergic reactions.
Warfarin Tablets 1 and 5 mg contain allura red (E129) which may cause allergic reactions.
Warfarin Tablets 5 mg contain erythrosine (E127) which may cause allergic reactions.
Always take this medicine exactly as your doctor has told you. Check with your doctor or pharmacist if you are not sure. Your doctor will prescribe the dose of Warfarin Tablets that is right for you. Do not change your dose of Warfarin Tablets without talking to your doctor.
Your doctor may test your blood while you are taking Warfarin Tablets.
Adults and the elderly (over 65 years):
The recommended dose is 10 mg daily for 2 days. Your doctor will do a blood test to decide the exact dose you should take. After the second day the recommended dose of Warfarin Tablets is between 3 and 9 mg once a day. Your doctor will tell you exactly how many Warfarin Tablets you should take. Try to take your tablets at the same time each day.
Swallow the tablets or half tablets whole with water.
The tablets can be divided into equal doses.
No dose has been established for children.
If you take too many tablets, or if you have unexplained bleeding, call your doctor or contact your nearest hospital immediately. Do not take more tablets than your doctor tells you to.
If you forget to take a dose at the right time, take it as soon as you remember unless it is nearly time for the next dose.
Do not take a double dose to make up for forgotten dose.
Do not stop taking the tablets unless told to do so by your doctor.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can have side effects, although not everybody gets them.
If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via Yellow Card Scheme Website: www.mhra.gov.uk/yellowcard.
By reporting side effects you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not store above 25°C. Store in the original package in order to protect from light.
Do not use this medicine after the expiry date which is stated on the carton after EXP. The expiry date refers to the last day of that month.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
Warfarin Tablets 0.5 mg are white, flat round tablets, plain on one side and scored on the other with ‘w’ and 0.5 on either side of the line.
Warfarin Tablets 1 mg are brown, flat round tablets, plain on one side and scored on the other with ‘w’ and 1 on either side of the line.
Warfarin Tablets 3 mg are blue, flat round tablets, plain on one side and scored on the other with ‘w’ and 3 on either side of the line.
Warfarin Tablets 5 mg are pink, flat round tablets, plain on one side and scored on the other with ‘w’ and 5 on either side of the line.
Packs contain 21, 28, 50, 100, 200 or 500 tablets.
Not all pack sizes may be marketed.
This leaflet was prepared in 12/2021.
PL 31750/0092-95
V040