BPH vs. Prostate Cancer: What Is the Difference?

Many men experience prostate changes as they get older, but not every prostate problem means cancer.

Two of the most common prostate conditions are benign prostatic hyperplasia (BPH) and prostate cancer. Although both conditions affect the prostate gland and become more common with age, they are very different.

BPH is a non-cancerous enlargement of the prostate, while prostate cancer occurs when abnormal prostate cells grow uncontrollably and may spread to other parts of the body.

Understanding the difference between BPH and prostate cancer can help men recognize symptoms, understand their risk, and have more informed conversations with healthcare providers.

What Is BPH (Benign Prostatic Hyperplasia)?

Benign prostatic hyperplasia, commonly called BPH, is a condition where prostate cells multiply and cause the prostate gland to become enlarged.

The prostate is a small gland located below the bladder that surrounds the urethra, the tube that carries urine out of the body.

As the prostate grows larger, it can squeeze the urethra and interfere with urine flow. This can lead to lower urinary tract symptoms (LUTS), including:

  • Frequent urination

  • Difficulty starting urination

  • Weak urine stream

  • Urinary urgency

  • Waking up frequently at night to urinate

  • Feeling like the bladder has not completely emptied

BPH is extremely common among aging men. Many men develop some degree of prostate enlargement as part of the natural aging process.

The important distinction is that BPH is not cancer and does not become prostate cancer.

What Is Prostate Cancer?

Prostate cancer occurs when abnormal cells in the prostate grow uncontrollably.

Unlike BPH, prostate cancer cells can invade surrounding tissues and potentially spread to other areas of the body, including the lymph nodes and bones.

Prostate cancer is one of the most common cancers among men. However, many prostate cancers grow slowly and may be successfully managed when detected early.

Some prostate cancers cause noticeable symptoms, while others may not cause symptoms in the early stages.

This is why screening discussions with a healthcare provider are important, especially for men at higher risk.

Key Differences Between BPH and Prostate Cancer

Although BPH and prostate cancer both affect the prostate, there are several important differences.

Feature BPH Prostate Cancer
Type of condition Non-cancerous prostate growth Cancerous cell growth
Can it spread? No Yes, in some cases
Main concern Urinary symptoms Cancer progression
Common age group Older men Older men
Location in prostate Usually transition zone Often peripheral zone
Effect on urination Common Possible, but not always present
Treatment goal Improve symptoms Control or eliminate cancer

Does BPH Increase the Risk of Prostate Cancer?

No. Having BPH does not mean a man will develop prostate cancer.

BPH and prostate cancer are separate conditions that develop through different biological processes.

However, because both conditions become more common with age, some men may have both at the same time.

A man with BPH symptoms should not assume those symptoms are caused only by an enlarged prostate. A healthcare provider can evaluate symptoms and determine whether additional testing is needed.

Why Are BPH and Prostate Cancer Often Confused?

BPH and prostate cancer are often confused because they share some similarities:

  • Both become more common as men age

  • Both involve changes in the prostate

  • Both can affect urinary function

  • Both may be discovered during prostate evaluations

However, symptoms alone cannot always determine whether a man has BPH or prostate cancer.

For example, difficulty urinating is commonly associated with BPH, but prostate cancer can also affect urinary function depending on tumor location and size.

This is why proper evaluation is important.

Differences in Symptoms

Symptoms More Common With BPH

BPH typically affects urination because an enlarged prostate presses against the urethra.

Common symptoms include:

  • Weak urine stream

  • Trouble starting urination

  • Frequent trips to the bathroom

  • Increased nighttime urination

  • Urgency

  • Dribbling after urination

  • Feeling unable to fully empty the bladder

These symptoms often develop gradually.

Symptoms That May Be Associated With Prostate Cancer

Early prostate cancer often causes no symptoms.

As prostate cancer progresses, possible symptoms may include:

  • Difficulty urinating

  • Blood in urine or semen

  • Erectile difficulties

  • Pelvic discomfort

  • Bone pain if cancer has spread

Many of these symptoms can also occur with other conditions, which is why medical evaluation is important.

How Are BPH and Prostate Cancer Diagnosed?

Doctors use several methods to evaluate prostate health.

Medical History and Symptoms

A healthcare provider will ask about urinary symptoms, family history, and overall health.

Digital Rectal Exam (DRE)

During a DRE, a physician examines the prostate to assess size, shape, and texture.

An enlarged prostate may feel smooth and enlarged, while certain abnormalities may require further evaluation.

Prostate-Specific Antigen (PSA) Test

The PSA test measures the amount of prostate-specific antigen in the blood.

PSA levels can increase due to several reasons, including:

  • Prostate cancer

  • BPH

  • Prostate inflammation

  • Infection

A high PSA level does not automatically mean cancer, but it may lead to additional testing.

Imaging and Biopsy

If prostate cancer is suspected, doctors may recommend imaging tests or a prostate biopsy to examine prostate tissue.

A biopsy is currently the definitive way to diagnose prostate cancer.

Differences in Treatment

Treating BPH

Treatment for BPH depends on symptom severity.

Options may include:

Lifestyle Changes

Some men may improve symptoms by:

  • Reducing fluids before bedtime

  • Limiting bladder irritants such as caffeine

  • Maintaining healthy habits

Medications

Certain medications can:

  • Relax prostate muscles to improve urine flow

  • Reduce DHT levels and slow prostate growth

Procedures

For men with severe symptoms, minimally invasive procedures or surgery may be considered.

Treating Prostate Cancer

Treatment depends on:

  • Cancer stage

  • Tumor characteristics

  • Overall health

  • Patient preferences

Options may include:

  • Active surveillance

  • Surgery

  • Radiation therapy

  • Hormone therapy

  • Other advanced treatments

Some prostate cancers grow slowly and may only require monitoring, while others require active treatment.

Risk Factors for BPH and Prostate Cancer

BPH Risk Factors

Common risk factors include:

  • Increasing age

  • Hormonal changes

  • Family history

  • Obesity

  • Metabolic conditions

Prostate Cancer Risk Factors

Risk factors include:

  • Age

  • Family history

  • Genetic factors

  • Certain inherited mutations

  • Race and ethnicity differences observed in research studies

Having risk factors does not mean someone will develop prostate cancer, but awareness can help guide screening decisions.

Can Lifestyle Choices Support Prostate Health?

While lifestyle choices cannot guarantee prevention of BPH or prostate cancer, healthy habits support overall prostate wellness.

Helpful habits include:

Maintain a Healthy Weight

Healthy body weight may help support hormone balance and reduce inflammation.

Exercise Regularly

Physical activity supports cardiovascular health, metabolism, and overall wellness.

Eat a Balanced Diet

A diet rich in vegetables, fruits, fiber, and healthy fats supports long-term health.

Avoid Smoking

Smoking is associated with numerous health risks and may negatively affect overall wellness.

Schedule Regular Health Discussions

Understanding personal risk factors and discussing prostate health with a healthcare provider can help men make informed decisions.

Frequently Asked Questions About BPH vs. Prostate Cancer

Can BPH turn into prostate cancer?

No. BPH does not turn into prostate cancer. They are separate conditions.

Is an enlarged prostate a sign of cancer?

Not necessarily. An enlarged prostate is usually caused by BPH, especially as men age.

Can prostate cancer cause urinary problems?

Yes, but urinary symptoms are more commonly associated with BPH. Prostate cancer symptoms vary depending on the location and stage of the cancer.

Which is more common: BPH or prostate cancer?

BPH is more common among older men. Many men develop prostate enlargement, while fewer develop prostate cancer.

Can you have BPH and prostate cancer at the same time?

Yes. Because both conditions become more common with age, some men may have both.

The Bottom Line: Understanding Your Prostate Health

BPH and prostate cancer are two different prostate conditions that are often confused because they occur in similar age groups and can share some symptoms.

BPH is a non-cancerous enlargement of the prostate that commonly affects urination. Prostate cancer involves abnormal cell growth that may spread if not detected and managed.

The best approach to prostate health is awareness. Understanding symptoms, knowing personal risk factors, and having informed conversations with healthcare providers can help men take proactive steps.

Your prostate health journey starts with education. Knowing the difference between BPH and prostate cancer is an important step toward protecting your long-term health.

Related Articles

What Causes an Enlarged Prostate? 

References 

American Cancer Society. (2024). Prostate cancer: Early detection, risk factors, and treatment information.

American Urological Association. (2023). Benign prostatic hyperplasia (BPH) guideline.

Berry, S. J., Coffey, D. S., Walsh, P. C., & Ewing, L. L. (1984). The development of human benign prostatic hyperplasia with age. The Journal of Urology, 132(3), 474–479.

De Nunzio, C., Presicce, F., & Tubaro, A. (2016). Inflammatory mediators in benign prostatic hyperplasia: A systematic review. European Urology Focus, 2(2), 137–143.

Grossfeld, G. D., & Carroll, P. R. (2006). Prostate cancer early detection: A clinical perspective. CA: A Cancer Journal for Clinicians, 56(2), 105–124.

National Cancer Institute. (2023). Prostate cancer treatment and prostate cancer screening information.

Roehrborn, C. G. (2005). Pathology of benign prostatic hyperplasia. International Journal of Impotence Research, 17(Suppl 2), S11–S18.