Prazosin is used to treat trouble peeing caused by an enlarged prostate. It is also used for other conditions such as high blood pressure.
Take prazosin regularly as directed with a glass of water. You can take it with or without food.
If it is nearly time for your next dose, skip the missed dose and take your next dose at the usual time. Otherwise, take the missed dose as soon as you remember. Do not take two doses at the same time.
Some medicines available without a prescription may react with prazosin including:
Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.
|Side Effects||Recommended action|
Tiredness or weakness
Runny or blocked nose
|Tell your doctor if troublesome|
Lightheaded or dizzy after standing up
|Stand up slowly. If it continues, or is severe, tell your doctor|
If you notice any other effects, discuss them with your doctor or pharmacist.
This leaflet contains important, but not all, information about this medicine.
Prepared by the MyMedicines Committee at Christchurch Hospital, Te Whatu Ora - Waitaha, New Zealand. March 2023
For more general information about this sheet and its contents, see: What does a My Medicines sheet cover?
Te Reo Māori information sheets supported by Health Quality and Safety Commission New Zealand
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My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.
For more information about the sheets, see: What does a My Medicines sheet cover?
My Medicines is developed by a team at Te Whatu Ora – Waitaha. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed