Larbex

Name: Larbex

Before taking doxazosin

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

  • If you are pregnant, trying for a baby or breast-feeding.
  • If you ever feel dizzy or faint when you stand up, or if you have ever fainted after passing urine.
  • If you are due to have cataract eye surgery.
  • If you have any problems with the way your liver works.
  • If you have been told you have heart failure.
  • If you have ever had an allergic reaction to a medicine.
  • If you are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, as well as herbal and complementary medicines.

Getting the most from your treatment

  • Doxazosin can make you feel dizzy, particularly when you first start taking it. Make sure your reactions are normal before you drive or use tools or machines which would be dangerous if you are not fully alert.
  • You are advised not to drink alcohol while you are on doxazosin. Alcohol will increase the side-effects of doxazosin, such as feeling faint and dizzy.
  • Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress.
  • If you are having an operation or medical treatment, tell the person carrying out the treatment that you are taking doxazosin. This is because your blood pressure may drop suddenly if you have an anaesthetic. If you are having cataract surgery, it is particularly important that you tell your eye surgeon that you are on doxazosin. This is because an eye problem known as 'floppy iris syndrome' has developed in some people taking medicines similar to doxazosin, so your doctor may advise you to stop taking it for a short while.
  • If you buy any medicines check with a pharmacist that they are suitable to take with your other medicines. Some anti-inflammatory painkillers (called NSAIDs) can reduce the blood pressure-lowering effect of doxazosin.
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