Benign prostatic hyperplasia, also called Benign prostatic hypertrophy or Benign prostatic obstruction, is a common condition in men as they get older. The prostate gland is a walnut-shaped gland present in men's reproductive systems, and its primary purpose is to produce a fluid that is secreted into semen. The prostate goes through two main growth periods as a man ages. The first occurs early in puberty when the prostate doubles in size. The second phase of growth begins around age 25 and continues during most of a man's life. BPH often occurs in the second growth phase.
As the prostate enlarges, it presses against the urethra. The bladder wall becomes thicker an...