Enlarged Prostate (Benign Prostatic Hyperplasia): Symptoms & Signs

Medically Reviewed on 3/31/2020

Benign prostatic hyperplasia (BPH), also known as an enlarged prostate, is a condition in which the prostate gland becomes abnormally enlarged in men. BPH is very common, especially as men get older. The enlarged prostate may not cause symptoms. When symptoms do develop, these most often begin after the age of 50. BPH is not the same as prostate cancer.

Signs and symptoms associated with BPH include

  • leaking or dribbling after urination,
  • excessive urination at night,
  • frequent urination,
  • have a sense of incomplete bladder emptying after urination, and
  • a weak urinary stream.

Other associated symptoms and signs of an enlarged prostate can include urinary incontinence or sexual dysfunction. Sometimes, a small amount of blood may be present in the urine.

Cause of benign prostatic hyperplasia (BPH)

Doctors do not understand the exact cause of BPH.

Other enlarged prostate symptoms and signs

  • Blood in the Urine (Hematuria)
  • Excessive Urination at Night
  • Frequent Urination
  • Have a Sense of Incomplete Bladder Emptying After Urination
  • Leaking or Dribbling After Urination
  • Sexual Dysfunction
  • Urinary Incontinence
  • Weak Urinary Stream


The prostate is about the size of a _____________. See Answer

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Jameson, J. Larry, et al. Harrison's Principles of Internal Medicine, 20th Ed. New York: McGraw-Hill Education, 2018.