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Enlarged prostate

BPH; Benign prostatic hyperplasia (hypertrophy); Prostate - enlarged

The prostate is a gland that produces some of the fluid that carries sperm during ejaculation. The prostate gland surrounds the urethra, the tube through which urine passes out of the body.

An enlarged prostate means the gland has grown bigger. Prostate enlargement happens to almost all men as they get older.

An enlarged prostate is often called benign prostatic hyperplasia (BPH). It is not cancer, and it does not raise your risk for prostate cancer.

Causes

The actual cause of prostate enlargement is unknown. Factors linked to aging and changes in the cells of the testicles may have a role in the growth of the gland, as well as testosterone levels. Men who have had their testicles removed at a young age (for example, as a result of testicular cancer) do not develop BPH.

Also, if the testicles are removed after a man develops BPH, the prostate begins to shrink in size. However, this is not a standard treatment for an enlarged prostate.

Some facts about prostate enlargement:

  • The likelihood of developing an enlarged prostate increases with age.
  • BPH is so common that it has been said all men will have an enlarged prostate if they live long enough.
  • A small amount of prostate enlargement is present in many men over age 40. More than 90% of men over age 80 have the condition.
  • No risk factors have been identified, other than having normally-functioning testicles.

Symptoms

Less than half of all men with BPH have symptoms of the disease. Symptoms may include:

Exams and Tests

Your health care provider will ask questions about your medical history. A digital rectal exam will also be done to feel the prostate gland. Other tests may include:

  • Urine flow rate
  • Post-void residual urine test to see how much urine is left in your bladder after you urinate
  • Pressure-flow studies to measure the pressure in the bladder as you urinate
  • Urinalysis to check for blood or infection
  • Urine culture to check for infection
  • Prostate-specific antigen (PSA) blood test to screen for prostate cancer
  • Cystoscopy
  • Blood urea nitrogen (BUN) and creatinine tests to check for reduced kidney function

You may be asked to fill out a form to rate how bad your symptoms are and how much they affect your daily life. Your provider can use this score to judge if your condition is getting worse over time.

Treatment

The treatment you choose will be based on how bad your symptoms are and how much they bother you. Your provider will also take into account other medical problems you may have.

Treatment options include "watchful waiting," lifestyle changes, medicines, or surgery.

If you are over 60, you are more likely to have symptoms. But many men with an enlarged prostate have only minor symptoms. Self-care steps are often enough to make you feel better.

If you have BPH, you should have a yearly assessment to monitor your symptoms and see if you need changes in treatment.

SELF-CARE

For mild symptoms:

  • Urinate when you first get the urge. Also, go to the bathroom on a timed schedule, even if you don't feel a need to urinate.
  • Avoid alcohol and caffeine, especially after dinner.
  • Do not drink a lot of fluid all at once. Spread out fluids during the day. Avoid drinking fluids within 2 hours of bedtime.
  • Try not to take over-the-counter cold and sinus medicines that contain decongestants or antihistamines. These medicines can increase BPH symptoms.
  • Keep warm and exercise regularly. Cold weather and lack of physical activity may worsen symptoms.
  • Reduce stress. Nervousness and tension can lead to more frequent urination.

MEDICINES

Alpha-1 blockers are a class of medicines, some of which have been used to treat high blood pressure. These medicines relax the muscles of the bladder neck and prostate. This allows easier urination. Most people who take alpha-1 blockers notice improvement in their symptoms, usually within 3 to 7 days after starting the medicine.

Finasteride and dutasteride lower levels of hormones produced by the prostate. These medicines also reduce the size of the gland, increase urine flow rate, and decrease symptoms of BPH. You may need to take these medicines for 3 to 6 months before you notice symptoms getting better. Possible side effects include decreased sex drive and impotence.

Antibiotics may be prescribed to treat chronic prostatitis (inflammation of the prostate), which may occur with BPH. BPH symptoms may improve in some men after a course of antibiotics.

Watch out for medicines that may make your symptoms worse:

SAW PALMETTO

Many herbs have been tried for treating an enlarged prostate. Many men use saw palmetto to ease symptoms. Some studies have shown that it may help with symptoms, but results are mixed, and more research is needed. If you use saw palmetto and think it works, ask your provider if you should still take it.

SURGERY

Prostate surgery may be recommended if you have:

The choice of which surgical procedure is recommended is most often based on the severity of your symptoms and the size and shape of your prostate gland. Most men who have prostate surgery have improvement in urine flow rates and symptoms.

Transurethral resection of the prostate (TURP): This is the most common and most proven surgical treatment for BPH. TURP is performed by inserting a scope through the penis and removing the prostate piece by piece.

Simple prostatectomy: This is a procedure to remove the inside part of the prostate gland. It is done through a surgical cut in your lower belly. This treatment is most often done on men who have very large prostate glands.

Other less-invasive procedures use heat or a laser to destroy prostate tissue. Another less-invasive procedure works by "tacking" the prostate open without removing or destroying tissues. None have been proven to be better than TURP. People who receive these procedures are more likely to need surgery again after 5 or 10 years. However, these procedures may be a choice for:

  • Younger men (many of the less-invasive procedures carry a lower risk for impotence and incontinence than TURP, although the risk with TURP is not very high)
  • Older people
  • People with severe medical conditions, including uncontrolled diabetes, cirrhosis, alcoholism, psychosis, and serious lung, kidney, or heart disease
  • Men who are taking blood-thinning medicines
  • Men who are otherwise at an increased surgical risk

Support Groups

Some men may find it helpful to take part in a BPH support group.

Possible Complications

Men who have had BPH for long time with slowly worsening symptoms may develop:

  • Sudden inability to urinate (urinary retention)
  • Urinary tract infections
  • Urinary stones
  • Damage to the kidneys
  • Blood in the urine

BPH may come back over time, even after having surgery.

When to Contact a Medical Professional

Contact your provider right away if you have:

  • Less urine than usual
  • Fever or chills
  • Back, side, or abdominal pain
  • Blood or pus in your urine

Also contact your provider if:

  • Your bladder does not feel completely empty after you urinate.
  • You take medicines that may cause urinary problems, such as diuretics, antihistamines, antidepressants, or sedatives. Do not stop or change your medicines without talking to your provider.
  • You have tried self-care steps for 2 months and symptoms have not improved.
Open References

References

Andersson KE, Wein AJ. Pharmacologic management of lower urinary tract storage and emptying failure. In: Partin AW, Domochowski RR, Kavoussi LR, Peters CA, eds. Campbell-Walsh-Wein Urology. 12th ed. Philadelphia, PA: Elsevier; 2021:chap 120.

Capogrosso P, Salonia A, Montorsi F. Evaluation and nonsurgical management of benign prostatic hyperplasia. In: Partin AW, Domochowski RR, Kavoussi LR, Peters CA, eds. Campbell-Walsh-Wein Urology. 12th ed. Philadelphia, PA: Elsevier; 2021:chap 145.

National Institute of Diabetes and Digestive and Kidney Diseases website. Prostate enlargement (benign prostatic hyperplasia). www.niddk.nih.gov/health-information/urologic-diseases/prostate-problems/prostate-enlargement-benign-prostatic-hyperplasia. Updated September 2014. Accessed July 12, 2023.

Parsons JK, Dahm P, Kohler TS, Lerner LB, Wilt TJ. Surgical management of lower urinary tract symptoms attributed to benign prostatic hyperplasia: AUA Guideline Amendment 2020. J Urol. 2020;204(4):799-804. PMID: 32698710 pubmed.ncbi.nlm.nih.gov/32698710/.

Sandhu JS, Breyer B, Comiter C, et al. Incontinence after prostate treatment: AUA/SUFU Guideline. J Urol. 2019;202(2):369-378. PMID: 31059663 pubmed.ncbi.nlm.nih.gov/31059663/.

Terrone C, Billia M. Medical aspects of the treatment of LUTS/BPH: combination therapies. In: Morgia G, ed. Lower Urinary Tract Symptoms and Benign Prostatic Hyperplasia. Cambridge, MA: Elsevier Academic Press; 2018:chap 11.

  • Enlarged prostate gland

    Animation

    •  

    Enlarged prostate gland - Animation

    The prostate is a male gland located underneath the bladder and is about the size of a chestnut. In this cut section, you can see that part of the urethra is encased within the prostate gland. As a man ages, the prostate typically enlarges in size in a process called BPH, which means that the gland gets larger without becoming cancerous. The enlarged prostate crowds its anatomical neighbors, particularly the urethra, causing it to narrow. The narrowed urethra results in several of the symptoms of BPH. Symptoms may include a slowed or delayed start in urination, the need to urinate frequently during the night, difficulty in emptying the bladder, a strong, sudden urge to urinate, and incontinence. Less than half of all men with BPH have symptoms of the disease, or their symptoms are minor and do not restrict their life style. BPH is a normal physiological process of aging. Treatment options are available and are based on the severity of the symptoms, the extent to which they affect lifestyle, and the presence of other medical conditions. Men with BPH should consult with their physician yearly to monitor the progression of the symptoms and decide the best course of treatment as needed.

  • Male reproductive anatomy

    Male reproductive anatomy - illustration

    The male reproductive structures include the penis, the scrotum, the testicles (testes), the epididymis, the seminal vesicles, and the prostate.

    Male reproductive anatomy

    illustration

  • BPH

    BPH - illustration

    Benign prostatic hyperplasia (BPH) is a non-cancerous enlargement of the prostate gland, commonly found in men over the age of 50.

    BPH

    illustration

  • Transurethral Resection of the Prostate (TURP) - Series

    Transurethral Resection of the Prostate (TURP) - Series

    Presentation

    •  

  • Enlarged prostate gland

    Animation

    •  

    Enlarged prostate gland - Animation

    The prostate is a male gland located underneath the bladder and is about the size of a chestnut. In this cut section, you can see that part of the urethra is encased within the prostate gland. As a man ages, the prostate typically enlarges in size in a process called BPH, which means that the gland gets larger without becoming cancerous. The enlarged prostate crowds its anatomical neighbors, particularly the urethra, causing it to narrow. The narrowed urethra results in several of the symptoms of BPH. Symptoms may include a slowed or delayed start in urination, the need to urinate frequently during the night, difficulty in emptying the bladder, a strong, sudden urge to urinate, and incontinence. Less than half of all men with BPH have symptoms of the disease, or their symptoms are minor and do not restrict their life style. BPH is a normal physiological process of aging. Treatment options are available and are based on the severity of the symptoms, the extent to which they affect lifestyle, and the presence of other medical conditions. Men with BPH should consult with their physician yearly to monitor the progression of the symptoms and decide the best course of treatment as needed.

  • Male reproductive anatomy

    Male reproductive anatomy - illustration

    The male reproductive structures include the penis, the scrotum, the testicles (testes), the epididymis, the seminal vesicles, and the prostate.

    Male reproductive anatomy

    illustration

  • BPH

    BPH - illustration

    Benign prostatic hyperplasia (BPH) is a non-cancerous enlargement of the prostate gland, commonly found in men over the age of 50.

    BPH

    illustration

  •   Transurethral Resection of the Prostate (TURP) - Series

    Transurethral Resection of the Prostate (TURP) - Series

    Presentation

    •  

Talking to your MD

 

Self Care

 
 

Review Date: 7/1/2023

Reviewed By: Kelly L. Stratton, MD, FACS, Associate Professor, Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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