Prostate Enlargement/BPH Health Center

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Benign Prostatic Hyperplasia (BPH) - Medications

Medicines are sometimes used to help relieve bothersome, moderate to severe urination problems caused by benign prostatic hyperplasia (BPH). If you stop using medicine, the symptoms will usually return.

The American Urological Association (AUA) symptom index is an interactive questionnaire that can help you determine how bad your urinary symptoms are and check how well your treatment is working. But the most important factor in deciding whether to use medicines is not your AUA score but how much the symptoms bother you and affect your quality of life. A high score on the AUA does not necessarily mean you need medicines.

The side effects of the most commonly used medicines are generally minor, and they stop when you stop taking the medicine.

Should I use medication or watchful waiting to treat benign prostatic hyperplasia?

Medication Choices

  • Alpha-blockers, including doxazosin (Cardura) and terazosin (Hytrin), relieve symptoms within a few weeks but do not stop the process of prostate enlargement.
  • 5-alpha reductase inhibitors, such as dutasteride (Avodart) or finasteride (Proscar), may reduce the size of an enlarged prostate but may take 6 months or more to show any effect on symptoms.
  • Using a combination of an alpha-blocker with a 5-alpha reductase inhibitor may help your symptoms more than either medicine alone.5, 6

What To Think About

Alpha-blockers and 5-alpha reductase inhibitors affect different prostate tissues. How much your symptoms improve may depend on which tissue is contributing most to your symptoms. None of these medicines will work for everyone.

Alpha-blockers may help symptoms caused by a blockage at the opening to the bladder. With this type of obstruction, you may have difficulty starting urination and have a weak urine stream. Alpha-blockers relax the smooth muscle tissue in the prostate and the opening to the bladder. This muscle tissue must relax to allow urine to flow.

5-alpha reductase inhibitors can reduce the size of your prostate and can slow the rate of enlargement. Men with smaller prostates see less benefit than those with larger prostates. Men who have only slightly enlarged prostates usually find alpha-blockers more helpful.

5-alpha reductase inhibitors may cause you to have less desire to have sex (decreased libido).

WebMD Medical Reference from Healthwise

Last Updated: March 24, 2008
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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ENABLEX is a prescription medicine used in adults to treat the following symptoms due to a condition called overactive bladder:

  • · having a strong need to go to the bathroom right away (also called "urgency")
  • · leaks or wetting accidents (also called "urinary incontinence")
  • · having to go to the bathroom too often (also called "urinary frequency")

IMPORTANT SAFETY INFORMATION

You should not take once-daily ENABLEX if you have certain types of stomach problems, glaucoma, or have trouble emptying your bladder. Side effects of ENBLEX include blurred vision, and more commonly dry mouth, constipation, indigestion, and abdominal pain. Use caution when doing certain activities until you know how ENBALEX affects you.

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