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The eMC  

Last Updated 27 Mar 2014

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Naftidrofuryl 100mg capsules

Naftidrofuryl oxalate (Naff-tid-roh-few-rile ox-al-ate) is a medicine which is used in circulation disorders.

The information in this Medicine Guide for Naftidrofuryl varies according to the condition being treated and the particular preparation used.

Naftidrofuryl 100mg capsules

Information specific to Naftidrofuryl 100mg capsules when used in Circulation disorders

Your medicine

Naftidrofuryl oxalate relaxes blood vessels. It is used to treat people who have insufficient blood supply to their extremities.

Do not share your medicine with other people. It may not be suitable for them and may harm them.

The pharmacy label on your medicine tells you how much medicine you should take. It also tells you how often you should take your medicine. This is the dose that you and your prescriber have agreed you should take. You should not change the dose of your medicine unless you are told to do so by your prescriber.

If you feel that the medicine is making you unwell or you do not think it is working, then talk to your prescriber.

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When to take your medicine

Some medicines work best if they are taken at a specific time of day. Getting the most benefit from your medicine can also be affected by what you eat, when you eat and the times at which you take other medicines.

Specific information on when to take Naftidrofuryl oxalate can be found in the Patient Information Leaflet that comes with this medicine or on the medicine label. You can also ask your doctor or pharmacist for information about when to take your medicine.

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How to take your medicine

Some medicines have specific instructions about how to take them. This is because they work better when taken correctly. These instructions can include getting the right dose and special instructions for preparing the medicine.

Specific information on how to take Naftidrofuryl oxalate can be found in the Patient Information Leaflet that comes with this medicine or on the medicine label. Alternatively, you can request information about how to take your medicine from your doctor or pharmacist.

If you are having problems taking this form of Naftidrofuryl oxalate, you should talk to your prescriber or pharmacist. They may be able to give you advice on other ways to take your medicine or other preparations that are easier for you to take.

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Taking too much of your medicine

Taking extra doses of some medicines can be harmful. In some cases even one extra dose can cause you problems. If you take extra doses of your medicine, you must get medical advice immediately. You may need a test to assess the effect of taking extra doses. This is because the effects of taking too much medicine are very complex so it is very important that you seek medical advice.

Contact your prescriber, pharmacist, specialist clinic or call 111 for advice.

Make sure you take all of your medicine containers with you if you are advised to go to hospital.

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Stopping your medicine

Suddenly stopping your medicine may cause your original condition to return. This is why you must speak to your prescriber if you are having any problems taking your medicine.

If you are not having any problems taking this medicine then do not stop taking it, even if you feel better, unless advised to do so by your prescriber.

If you are in any doubt, contact your prescriber, pharmacist, specialist clinic or call 111.

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Looking after your medicine

The instructions on how you should keep your medicine are on the pharmacy label. It is a good idea to keep your medicine in the original container. This will help to keep your medicine in the best condition and also allow you to check the instructions. Do not take the medicine if the packaging appears to have been tampered with or if the medicine shows any signs of damage. Make sure that the medicine is out of the sight and reach of children.

Specific information on how to look after Naftidrofuryl oxalate can be found in the Patient Information Leaflet that comes with this medicine or on the medicine label. Alternatively, you can request information about how to look after your medicine from your doctor or pharmacist.

You must not take the medicine after the expiry date shown on the packaging. If you have any unused medicine, return it to your pharmacist who will dispose of it safely.

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Whether this medicine is suitable for you

Naftidrofuryl oxalate is not suitable for everyone and some people should never use it. Other people should only use it with special care. It is important that the person prescribing this medicine knows your full medical history.

Your prescriber may only prescribe this medicine with special care or may not prescribe it at all if you:

Naftidrofuryl oxalate is not used in children.

Over time it is possible that Naftidrofuryl oxalate can become unsuitable for some people, or they may become unsuitable for it. If at any time it appears that Naftidrofuryl oxalate has become unsuitable, it is important that the prescriber is contacted immediately.

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Side-effects

A medicine is only made available to the public if the clinical trials have shown that the benefits of taking the medicine outweigh the risks.

Once a medicine has been licensed, information on the medicine's effects, both intended and unintended, is continuously recorded and updated.

Some side-effects may be serious while others may only be a mild inconvenience.

Everyone's reaction to a medicine is different. It is difficult to predict which side-effects you will have from taking a particular medicine, or whether you will have any side-effects at all. The important thing is to tell your prescriber or pharmacist if you are having problems with your medicine.

Uncommon: More than 1 in 1000 people who take Naftidrofuryl oxalate

Rare: More than 1 in 10,000 people who take Naftidrofuryl oxalate

Very rare: Fewer than 1 in 10,000 people who take Naftidrofuryl oxalate

The frequency of these side-effects is unknown

  • oesophagitis - this may occur if Naftidrofuryl oxalate is taken before going to bed without sufficient amount of liquid

If you feel unwell or if you have concerns about a side-effect, you will need to seek advice. If you feel very ill, get medical help straight away. Contact your prescriber, pharmacist, nurse or call 111.

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Taking other medicines

There are no known important interactions between Naftidrofuryl oxalate and other medicines. If you experience any unusual symptoms while taking Naftidrofuryl oxalate and other medicines you should tell your prescriber.

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Complementary preparations and vitamins

Medicines can interact with complementary preparations and vitamins. In general, there is not much information available about interactions between medicines and complementary preparations or vitamins.

If you are planning to take or are already taking any complementary preparations and vitamins you should ask your prescriber whether there are any known interactions with Naftidrofuryl oxalate.

Your prescriber can advise whether it is appropriate for you to take combinations that are known to interact. They can also discuss with you the possible effect that the complementary preparations and vitamins may have on your condition.

If you experience any unusual effects while taking this medicine in combination with complementary preparations and vitamins, you should tell your prescriber.

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Driving and operating machinery

When taking any medicine you should be aware that it might interfere with your ability to drive or operate machinery safely.

Like all medicines Naftidrofuryl oxalate can cause side effects. You should see how this medicine affects you and then judge if you are safe to drive or operate machinery. If you are in any doubt, talk to your prescriber.

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Diet

Medicines can interact with certain foods. In some cases, this may be harmful and your prescriber may advise you to avoid certain foods.

In the case of Naftidrofuryl oxalate:

  • there are no specific foods that you must exclude from your diet when taking Naftidrofuryl oxalate
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Alcohol

Alcohol can interact with certain medicines.

In the case of Naftidrofuryl oxalate:

  • there are no known interactions between alcohol and Naftidrofuryl oxalate
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Family planning and pregnancy

Most medicines, in some way, can affect the development of a baby in the womb. The effect on the baby differs between medicines and also depends on the stage of pregnancy that you have reached when you take the medicine.

In the case of Naftidrofuryl oxalate:

  • the use of this medicine during pregnancy is not recommended.

You should discuss your personal circumstances with your doctor if you are pregnant or want to become pregnant. This is so that together you can make a decision about what treatment you may need during your pregnancy.

You should discuss whether there are any other medicines which you could take during pregnancy which would treat your condition.

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Breast-feeding

Certain medicines can pass into breast milk and may reach your baby through breast-feeding.

In the case of Naftidrofuryl oxalate:

  • women who are breast-feeding must not take this medicine

Before you have your baby you should discuss breast-feeding with your doctor or midwife. If you wish to breast-feed you should discuss with your prescriber whether there are any other medicines you could take which would also allow you to breast-feed. You should not stop this medicine without taking advice from your doctor.

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Ingredients of your medicine

Medicines contain active ingredients. They may also contain other, additional ingredients that help ensure the stability, safety and effectiveness of the medicine. They are also added to improve the medicine's taste and appearance and to make it easier to take. Some may be used to prolong the life of the medicine.

This medicine contains naftidrofuryl oxalate.

We are unable to list all of the ingredients for your medicine here. For a full list, you should refer to the patient information leaflet that comes with this medicine. You should check that you are able to take the ingredients of your medicine, especially if you have any allergies. You should also check whether any of these ingredients are known to have side-effects.

If you are not able to take any of the ingredients in your medicine, talk to your prescriber or pharmacist to see if they can suggest an alternative medicine. If you have reacted badly to Naftidrofuryl oxalate before, do not take Naftidrofuryl oxalate. Talk to your prescriber, pharmacist or nurse as soon as possible.

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Naftidrofuryl oxalate, Version 9, last updated 27 Mar 2014