Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

Alpha-blocker medicines

Alpha-blocker medicines relax smooth muscle in the body. Smooth muscle controls the blood vessels, intestines, bladder and urinary tract, and other involuntary actions in the body.

Alpha-blockers can be used for many problems, including:

  • Prostate problems. These medicines can relax the smooth muscle in the prostate and urethra, which lets urine flow out of the body more easily.
  • Kidney stones. These medicines can relax the smooth muscle in the ureters (the tubes that move urine between the kidneys and the bladder) and make them wider, which can help a kidney stone pass more easily.
  • High blood pressure. These medicines can relax the smooth muscle in the blood vessels and make them wider, which can help lower blood pressure.

Examples of alpha-blocker medicines include alfuzosin (Uroxatral), doxazosin (Cardura), silodosin (Rapaflo), tamsulosin (Flomax), and terazosin (Hytrin).

Side effects of alpha-blockers include:

  • Dizziness, especially when standing up.
  • Headache.
  • Drowsiness.

Alpha-blockers are also called alpha-adrenergic antagonists.

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COVID-19 Updates from Urology Specialists

At this time, in consideration of our high employee vaccination rate and current community transmission rates, masking is optional in our facility for fully vaccinated individuals. If you are unvaccinated or have any respiratory symptoms, please continue to mask.

Please continue to self-monitor and if you have symptoms consistent with COVID-19, please call our office in advance of your appointment.

If you would like your nursing staff to mask around you during your appointment, please let us know and we would be happy to comply to help you feel more comfortable during your visit.

Thank you for your continued partnership!

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