Hydralazine for high blood pressure

About hydralazine

Although many people with high blood pressure (hypertension) do not feel unwell, it is still important that high blood pressure be treated. If left untreated, high blood pressure is a risk factor that can increase your chance of developing heart disease, a stroke, and other serious conditions. Hydralazine will be prescribed alongside other medicines to control high blood pressure.

Hydralazine works by relaxing the muscles in the walls of your blood vessels. This means that your blood vessels widen, which reduces your blood pressure and allows blood and oxygen to circulate more freely around your body. Hydralazine will only be prescribed for you if other treatments are not suitable or effective, as it can increase the amount of water and salt in your body and can increase your heart rate. The other medicines you are prescribed to take alongside it will help to control these side-effects.

Hydralazine is occasionally prescribed by hospital doctors for other heart conditions. If you have been prescribed it for a reason other than high blood pressure, speak with your doctor if you have any questions about your treatment.

Before taking hydralazine

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 hydralazine it is important that your doctor knows:

• If you have a condition called systemic lupus erythematosus. This is an inflammatory condition also called lupus, or SLE.

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

• If you have a problem with your blood vessels, such as coronary artery disease or cerebrovascular disease.

• if you have a heart condition or have recently had a heart attack.

• Wenn Sie schwanger sind oder stillen.

• Wenn Sie eine seltene vererbte Blutkrankheit namens Porphyrie haben.

• Wenn Sie andere Arzneimittel einnehmen oder verwenden. Dazu gehören alle Arzneimittel, die Sie einnehmen und die rezeptfrei erhältlich sind, sowie pflanzliche und ergänzende Arzneimittel.

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

How to take hydralazine

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

• Take hydralazine exactly as your doctor tells you to. It is usual to take one tablet twice a day. Try to take your doses at similar times of day each day, as this will help you to remember to take them regularly. There are two strengths of hydralazine tablet - it is usual to take the 25 mg strength tablet to begin with, but this may later be increased to the higher 50 mg strength tablet. Increasing your dose gradually allows your doctor to make sure that you have the dose that best helps your condition, but also keeps unwanted side-effects to a minimum.

• Swallow the tablet whole with a drink of water. You can take hydralazine either with or without food.

• If you forget to take a dose at your usual time, take it as soon as you remember unless your next dose is due. If your next dose is due then take the dose which is due but leave out the forgotten one. Do not take two doses together to make up for a missed dose.
  

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• Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress. You will need to have regular blood pressure measurements, and also some blood and urine tests from time to time.

• Your doctor will advise you on what lifestyle changes you can make to help your condition. These could include losing weight if you are overweight, taking regular physical activity, eating a healthy diet, cutting back on the amount of alcohol you drink, stopping smoking, and reducing the amount of salt in your meals and caffeine in your drinks. It is important that you follow any advice you are given.

• If you buy any medicines, check with a pharmacist that they are suitable for you to take. This is because some medicines (particularly some anti-inflammatory painkillers) can interfere with the way hydralazine works.

• Treatment with hydralazine is usually long-term unless you experience an adverse effect. Continue to take the tablets unless you are advised otherwise by your doctor.

• If you are having an operation or dental treatment, tell the person carrying out the treatment that you are taking hydralazine. This is because some anaesthetics can affect your blood pressure.

Can hydralazine 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 more common ones associated with hydralazine. The best place to find a full list of the side-effects which can be associated with your medicine, is from the manufacturer's printed information leaflet supplied with the medicine. Alternatively, you can find an example of a manufacturer's information leaflet in the reference section below. Speak with your doctor or pharmacist if any of the following continue or become troublesome.

Wenn Sie andere Symptome haben, von denen Sie glauben, dass sie auf die Tabletten zurückzuführen sind, sprechen Sie bitte mit Ihrem Arzt oder Apotheker, um weiteren Rat einzuholen.

How to store hydralazine

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

• An einem kühlen, trockenen Ort aufbewahren, vor direkter Hitze und Licht schützen.
  

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