Terazosin is an alpha-blocker. It relaxes the muscles in the prostate and bladder neck and in the walls of blood vessels.

What Terazosin Is Used For

  • Urinary symptoms of an enlarged prostate (BPH)
  • High blood pressure
  • Weak urine flow and frequent night-time urination in men

Common Side Effects

  • Dizziness, especially when standing up
  • Tiredness
  • Blocked nose
  • Headache
  • Swollen ankles

Precautions

Terazosin can make you faint when you first start it or after a dose increase, so get up slowly and avoid driving until you know how it affects you. Tell your eye surgeon you take it before cataract surgery. Take care when combining it with other blood pressure medicines or erectile dysfunction tablets.

This page is general information only. It is not a substitute for advice from your doctor or pharmacist, and it does not include dosage. Always follow the directions given to you and read the leaflet inside the pack.

Medicines Containing Terazosin