Tamsulosin hydrochloride is a medicine which is used to treat benign prostatic hyperplasia.

Tamsulosin hydrochloride relaxes the muscles surrounding the prostate gland in men and can help men who have an enlarged prostate to pass urine more easily.
Tamsulosin hydrochloride is not suitable for everyone so it’s important that the person prescribing this medicine knows your full medical history.

You may not be suitable for this medication if you:

  • are about to have eye surgery
  • are allergic or sensitive to or have had a reaction to any of the ingredients in the medicine
  • have kidney problems
  • have liver problems
  • have or have had a drop in blood pressure when standing or sitting up

Side Effects

Everyone’s reaction to a medicine is different. You may experience some of the side effects listed below or none at all. If you are having problems with this medicine, it’s important to tell your GP immediately.

A common side effect of taking this medication is:

  • feeling dizzy – if you feel dizzy sit or lie down until you feel better

Further Help

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 non-emergency number on 111 (You should use the NHS 111 service if you urgently need medical help or advice but it’s not a life-threatening situation)