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Last Updated 09 Nov 2011

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Didronel PMO tablets

Didronel PMO (did-roh-nell pee em oh) is a medicine which is used in preventing osteoporosis and treating osteoporosis. Didronel PMO contains calcium carbonate/disodium etidronate. It is supplied by Warner Chilcott UK Limited.

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

Didronel PMO tablets

Information specific to Didronel PMO tablets when used in Osteoporosis

 

Your medicine

Didronel PMO contains two medicinesDidronel and Cacit. It comes in a pack with two different types of tablets. The blister pack contains the medicine Didronel and the tube contains the medicine Cacit. Didronel PMO is used to treat osteoporosis in post-menopausal women and to prevent bone loss in post-menopausal women who are at risk of developing osteoporosis. It is also used to treat and prevent osteoporosis in people who have taken corticosteroids over a long period of time.

In osteoporosis the strength of the bones is reduced and this can increase the chances of getting bone fractures. Didronel PMO can make bones stronger in people with osteoporosis which can reduce the chances of getting bone fractures.

A course of treatment with Didronel PMO lasts for 90 days. It is very important that you take your medicines correctly. You need to take the medicine Didronel continuously for the first 14 days followed by the medicine Cacit for the remaining 76 days. A member of your medical team will explain to you how and when to take these medicines.

Other information about Didronel PMO:

  • it is important you inform your dentist that you are having treatment with Didronel PMO because there are certain types of dental procedures you should avoid having while you are being treated with this medicine. For more information speak to your dentist
  • your prescriber will review the need for you to continue treatment with Didronel PMO after five or more years of use

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 from your medicine can also be affected by what you eat, when you eat and the times at which you take other medicines. Make sure you follow any specific instructions given to you by your prescriber or that are in the Patient Information Leaflet that comes with this medicine.

In the case of Didronel PMO:

  • a course of treatment with Didronel PMO lasts for 90 days. You need to take Didronel for the first 14 days followed by Cacit for the remaining 76 days
  • you must take the medicine Didronel on an empty stomach. Take it at least two hours after a meal and do not eat anything for at least two hours after you have taken it. Within this time, you must also avoid medicines, vitamin and mineral supplements, and laxatives or antacids that contain minerals such as iron, calcium, magnesium, or aluminium
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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. Make sure you follow any specific instructions given to you by your prescriber or that are in the Patient Information Leaflet that comes with this medicine.

In the case of Didronel PMO:

  • there are two types of tablets in your pack. Didronel tablets are taken once a day for 14 days. You should swallow the medicine whole with a glass of water
  • after you have finished the 14 day course of Didronel tablets, you should take one Cacit tablet daily for the next 76 days. Cacit needs to be dissolved in a glass of water before taking. Drink the solution immediately after the tablet has dissolved completely

If you are having problems taking this medicine, 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 medicines 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 NHS Direct on 0845 46 47 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

If you are not having any problems with this medicine, do not stop taking it unless you have completed the course or you are advised to stop taking it by your prescriber.

If you are in any doubt, contact your prescriber, pharmacist, specialist clinic or NHS Direct on 0845 46 47.

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Looking after your medicine

The instructions on how you should keep your medicine are on the pharmacy label. You should 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.

In the case of Didronel PMO:

  • do not store in temperatures above 30°C
  • store in a dry place
  • make sure you seal the tube with the stopper after use

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

Didronel PMO 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:

Furthermore the prescriber may only prescribe this medicine with special care or may not prescribe it at all for a child.

As part of the process of assessing suitability to take this medicine a prescriber may also arrange tests:

  • to determine whether or not the medicine is suitable and whether it must be prescribed with extra care
  • to check that this medicine is not having any undesired effects

Over time it is possible that Didronel PMO can become unsuitable for some people, or they may become unsuitable for it. If at any time it appears that Didronel PMO 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.

Common: More than 1 in 100 people who take Didronel PMO

  • leg cramps

The frequency of these side-effects is unknown

The following side effects have been reported in people who have had medicines similar to Didronel PMO. The frequency of these side-effects in people who take Didronel PMO is not known

  • bone fractures which may heal slowly - these may occur if Didronel PMO is taken for a long period of time. Seek medical advice if you have any symptoms such as thigh, hip or groin pain
  • osteonecrosis of the jaw - this may be more likely to happen if you have dental surgery or other dental processes. If you need to have a dental procedure, make sure you tell your dentist that you are having treatment with Didronel PMO

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 NHS Direct on 0845 46 47.

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Taking other medicines

If you are taking more than one medicine they may interact with each other. At times your prescriber may decide to use medicines that interact, in other cases this may not be appropriate.

The decision to use medicines that interact depends on your specific circumstances. Your prescriber may decide to use medicines that interact, if it is believed that the benefits of taking the medicines together outweigh the risks. In such cases, it may be necessary to alter your dose or monitor you more closely.

Tell your prescriber the names of all the medicines that you are taking so that they can consider all possible interactions. This includes all the medicines which have been prescribed by your GP, hospital doctor, dentist, nurse, health visitor, midwife or pharmacist. You must also tell your prescriber about medicines which you have bought over the counter without prescriptions.

The following medicines may interact with Didronel PMO:

The following types of medicine may interact with Didronel PMO:

If you are taking Didronel PMO and one of the above medicines or types of medicines, make sure your prescriber knows about it.

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Complementary preparations and vitamins

Medicines can interact with complementary preparations and vitamins.

Make sure you tell your prescriber the names of all the complementary preparations and vitamins that you are taking or are planning to take.

Your prescriber can then decide whether it is appropriate for you to take combinations that are known to interact.

In the case of Didronel PMO:

If you have been prescribed Didronel PMO you should only take something on the above list on the specific advice of your prescriber or pharmacist.

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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.

In the case of Didronel PMO:

  • this medicine will not affect your ability to drive or operate machinery

You should see how this medicine affects you before you judge whether you are safe to drive or operate machinery. If you are in any doubt about whether you should drive or operate machinery, 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 Didronel PMO:

For more advice speak to your prescriber, nutritionist or pharmacist.

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Alcohol

Alcohol can interact with certain medicines.

In the case of Didronel PMO:

  • there are no known interactions between alcohol and Didronel PMO
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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 Didronel PMO:

  • women who are pregnant must not take this medicine

You need to discuss your specific circumstances with your doctor to weigh up the overall risks and benefits of taking this medicine. You and your doctor can make a decision about whether you are going to take this medicine during pregnancy.

If the decision is that you should not have Didronel PMO, then you should discuss whether there is an alternative medicine that you could take during pregnancy.

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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 Didronel PMO:

  • women who are breast-feeding must not take this medicine
  • it is not known whether this medicine passes into breast milk

Before you have your baby you should discuss breast-feeding with your doctor or midwife. They will help you decide what is best for you and your baby based on the benefits and risks associated with this medicine. 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.

You should check that you are able to take the ingredients in your medicine, especially if you have any allergies.

Didronel PMO contains:

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 Didronel PMO before, do not take Didronel PMO. Talk to your prescriber, pharmacist or nurse as soon as possible.

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Didronel PMO, Version 3, last updated 09 Nov 2011