Propylthiouracil-Tabletten

About propylthiouracil

Propylthiouracil is used to treat an overactive thyroid gland (Hyperthyreose). When the thyroid gland is overactive it makes too much of a hormone called thyroxine. The extra thyroxine causes many of the body's functions to speed up. This can lead to symptoms such as losing weight, excessive sweating, feeling irritable or shaky, and diarrhoea. You also may feel tired or worried, and women may develop menstrual problems.

Although the most commonly used antithyroid medicine in the UK is called Carbimazol, some people are unable to take this medicine. If so, propylthiouracil is usually used as a suitable alternative. It works by reducing the amount of thyroxine made by your thyroid gland.

Before taking propylthiouracil

Some medicines are not suitable for people with certain conditions, and sometimes a medicine can only be used if extra care is taken. For these reasons, before you start taking propylthiouracil it is important that your doctor knows:

• If you are pregnant or breastfeeding (even though propylthiouracil could still be prescribed for you).

• Wenn Sie Probleme mit der Funktion Ihrer Leber haben oder wenn Sie Probleme mit der Funktion Ihrer Nieren haben.

• Wenn Sie andere Medikamente einnehmen. Dazu gehören auch Medikamente, die ohne Rezept erhältlich sind, sowie pflanzliche und ergänzende Arzneimittel.

• Wenn Sie jemals eine allergische Reaktion auf ein Medikament hatten.

How to take propylthiouracil

• Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about propylthiouracil, and will also provide you with a full list of the side-effects which you could experience from taking it.

• Take the tablets exactly as your doctor tells you to. It is likely that you will be asked to take a high dose to start with, such as 4-8 tablets a day in divided doses. Your dose will then be gradually reduced to 1-3 tablets a day as your thyroid levels become more normal. Your doctor will give you the full directions for taking the tablets, and the information will also be printed on the label of the pack of tablets to remind you about what the doctor said to you.

• Swallow your doses with a drink of water. Propylthiouracil tablets can be taken either with or without food.

• Try to take your tablets around the same times of day each day. This will help you to remember to take propylthiouracil regularly.

• Wenn Sie eine Dosis vergessen haben, nehmen Sie sie ein, sobald Sie sich daran erinnern (es sei denn, es ist fast Zeit für Ihre nächste Dosis, in diesem Fall lassen Sie die vergessene Dosis aus). Nehmen Sie nicht zwei Dosen zusammen ein, um eine vergessene Dosis auszugleichen.
  

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• Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress and any dose adjustments can be made. You will need to have blood tests from time to time to check that you are on the correct dose and that your liver is working well. This is because propylthiouracil can occasionally cause serious liver problems.

• Propylthiouracil should have some effect on your symptoms around three to four weeks after treatment starts. Your thyroid hormone levels should be stabilised within four to eight weeks. Continue to take the tablets for as long as you are advised to do so by your doctor.

Can propylthiouracil cause problems?

Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with propylthiouracil. You will find a full list in the manufacturer's information leaflet supplied with your medicine. The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any of the following continue or become troublesome.

Wenn Sie andere Symptome bemerken, die Ihrer Meinung nach auf die Tabletten zurückzuführen sein könnten, sprechen Sie mit Ihrem Arzt oder Apotheker für weitere Ratschläge.

How to store propylthiouracil

• Bewahren Sie alle Medikamente außerhalb der Reichweite und Sicht von Kindern auf.

• An einem kühlen, trockenen Ort aufbewahren, fern von direkter Hitze und Licht.

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