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Benign Prostatic Hyperplasia (BPH)

What is benign prostatic hyperplasia?

Benign prostatic hyperplasia (BPH) is also called benign prostatic hypertrophy. It’s when the prostate gland becomes very large and may cause problems passing urine. BPH is not cancer, and is a common part of aging.

The prostate gland is found only in males. It’s located in front of the rectum and below the bladder. It wraps around the urethra, the tube that carries urine out of the body. The prostate's job is to make some of the fluid that protects and nourishes sperm cells in semen, making the semen more liquid.

BPH can raise PSA (prostate-specific antigen) levels. PSA is made by the prostate and can be measured with a blood test. An increased PSA level does not mean you have cancer, but the higher the PSA level, the higher the chance of having cancer.

Some of the symptoms of BPH and prostate cancer are the same, but BPH is not cancer and does not develop into prostate cancer.

What causes BPH?

The cause of BPH is not known. The prostate goes through 2 main periods of growth. In early puberty, it doubles in size. Then, around age 25, the prostate starts to grow again and continues to grow throughout most of a man's life.

The continuing growth of the prostate may not cause problems until much later in life, when the second period of growth may result in BPH.  It is a common problem for men starting in their 60s and becomes more very common for men in their 70s and 80s have some symptoms of BPH.

What are the symptoms of BPH?

As the prostate grows, it presses against the urethra, the tube that carries urine out of the body. This interferes with urination. At the same time, the bladder wall becomes thicker and irritated, and begins to contract, even when it contains only small amounts of urine. This can cause more frequent urination. These changes cause the bladder muscle to weaken. It may not empty fully and leave some urine behind, leading to symptoms.

The following are the most common symptoms of BPH:

  • Leaking or dribbling of urine
  • Trouble starting urine stream
  • More frequent urination, especially at night
  • Urgency to urinate
  • Holding urine (cannot pass urine)
  • An interrupted, weak stream of urine

These problems may lead to one or more of the following if BPH is not treated:

  • Loss of urine control
  • Kidney damage
  • Bladder damage
  • Urinary tract infections
  • Bladder stones
  • Inability to pass urine at all

The symptoms of BPH may look like other conditions or medical problems. Always consult a health care provider for a diagnosis.

How is BPH diagnosed?

Diagnosing benign prostatic hyperplasia (BPH) in its earlier stages can lower the risk of complications. Your doctor will review your medical history and do a physical exam. Other tests may include:

  • Urine tests. To check for infection.
  • Digital rectal exam. A procedure in which the health care provider puts a gloved finger into the rectum to feel the part of the prostate next to the rectum.
  • Ultrasound (also called sonography).An imaging test that uses high-frequency sound waves to create images of the prostate and nearby organs on a computer screen.
  • Intravenous pyelogram. A series of X-rays of the kidney, ureters, and bladder done after a contrast dye is injected into a vein. It’s used to look for tumors, abnormalities, kidney stones, or any blockages, and to check blood flow in the kidneys.
  • Cystoscopy. A thin flexible tube and viewing device is put into the penis and through the urethra to examine the bladder and urinary tract for structure changes or blockages.
  • Urine flow study. A test in which the man urinates into a device that measures how quickly the urine is flowing. Reduced flow may suggest BPH.

How is BPH treated?

With time, BPH symptoms usually require some kind of treatment. When the prostate is just mildly enlarged, treatment may not be needed. In fact, research has shown that, in some mild cases, some of the symptoms of BPH get better without treatment. The need to start treatment will be decided by your health care provider after careful evaluation of your symptoms. Regular check-ups are important, and they’re needed to watch for developing problems.

Treatment for BPH may include:


To remove only the enlarged tissue that is pressing against the urethra (the tube that carries urine out of the body), with the rest of the inside prostate left intact. Types of surgery often include:

  • Transurethral surgery. No outside incision (cut) is needed. The surgeon reaches the prostate by putting an instrument through the urethra.
    • Transurethral resection of the prostate (TURP). A resectoscope—a thin, narrow tube is put into the urethra through the penis. The surgeon uses tools through the resectoscope to remove the prostate tissue blocking the urethra one piece at a time. The pieces of tissue are carried by into the bladder and flushed out at the end of the operation.
    • Transurethral incision of the prostate. A procedure that widens the urethra by making small cuts in the bladder neck, where the urethra joins the bladder, and in the prostate gland itself.
  • Laser surgery. Using laser instruments to cut away the prostate tissue blocking the urethra. The laser fiber is passed through the urethra to the prostate.
  • Open surgery. Surgery that requires an incision (cut) in the skin; often done when the gland is very big, when there are complicating factors, or when the bladder has been damaged and needs to be repaired.

Nonsurgical treatments

These may include:

  • Balloon urethroplasty. A thin tube with a balloon is put into the opening of the penis and guided to the narrowed portion of the urethra. The balloon is inflated to stretch and widen the urethra and ease the flow of urine. Then the balloon is deflated and removed.
  • Transurethral microwave thermotherapy (TUMT). Microwaves are used to heat and destroy prostate tissue to reduce urinary frequency and urgency. A thin flexible tube is put into the urethra to get the microwaves to the right parts of the prostate.
  • Medications. To shrink or at least stop the growth of the prostate without using surgery, or to make the muscles around the urethra looser so urine flows more easily.
  • Water-induced thermotherapy. Heated water is sent through a soft flexible tube into the urethra to heat and destroy prostate tissue.
  • Prostatic stents. Stents are narrow tubes put through the urethra into the narrowed area where they are allowed to expand, like a spring, to push back the prostate tissue and widen the urethra. Stents may be used when other treatments have not worked.

What are the complications BPH

Delay in treatment can cause permanent bladder damage that cannot be treated.

Living with BPH

Management of BPH may include:

  • Lifestyle factors. Limit fluids in the evening, empty your bladder before going to bed, and don’t take diuretics (water pills) that are active at night. Not smoking can also help ease BPH symptoms.
  • Dietary factors. Avoid or decrease alcohol, coffee, and other fluids. This is especially important after dinner. A higher risk for BPH has been linked to a diet high in zinc, butter, and margarine. Men who eat lots of fruits are thought to have a lower risk for BPH.
  • Avoiding medications that worsen symptoms. Decongestants and antihistamines can slow urine flow in some men with BPH. Some antidepressants and diuretics can also worsen symptoms. Consult your health care provider if you are taking any of these medications.
  • Kegel exercises. Repeated tightening and releasing the pelvic muscles is called Kegel exercises. These can help prevent leaking urine. Practice these exercises while urinating to train the specific muscle. To do Kegels, contract the muscle until the flow of urine decreases or stops and then release the muscle.

Key points about BPH

  • BPH is when the prostate gland becomes very large and may cause problems passing urine.
  • The cause of BPH is not known. Growth of the prostate may not cause problems until much later in life.
  • As the prostate enlarges, it presses on the urethra. This causes symptoms such as changes in urination.
  • BPH may not need treatment. If needed, treatment includes medications, and various procedures and surgeries used to remove the part of the prostate that’s pressing on the urethra.
  • Management of benign prostatic hyperplasia (BPH) may include lifestyle changes.

Next steps

Tips to help you get the most from a visit to your health care provider:
  • Before your visit, write down questions you want answered.
  • Bring someone with you to help you ask questions and remember what your provider tells you.
  • At the visit, write down the names of new medicines, treatments, or tests, and any new instructions your provider gives you.
  • If you have a follow-up appointment, write down the date, time, and purpose for that visit.
  • Know how you can contact your provider if you have questions.
Benign Prostatic Hyperplasia (BPH) - WellSpan Health

Online Medical Reviewer: Stump-Sutliff, Kim, RN, MSN, AOCNS
Online Medical Reviewer: Ziegler, Olivia Walton, MS, PA
Last Review Date: 2014-02-27T00:00:00
Last Modified Date: 2016-07-28T00:00:00
Published Date: 2016-07-28T00:00:00
Last Review Date: 2007-03-30T00:00:00
© 2016 WellSpan Health. All Rights Reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

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