Enlarged Prostate: Symptoms, Causes, and Treatment Options

An enlarged prostate is exactly what it sounds like: the gland surrounding the urethra grows, narrows the channel urine passes through, and changes how you urinate. It is not cancer; it does not become cancer, and it is close to universal with age. What varies is how much it bothers you. This guide covers the symptoms, what drives growth, which changes need a doctor sooner rather than later, and the treatment options.

What an Enlarged Prostate Actually Is

The prostate is a walnut-sized gland sitting below the bladder, and the urethra runs straight through it. When prostate tissue multiplies, the gland presses inward on that channel. The medical name is benign prostatic hyperplasia, or BPH. Benign means it’s not cancer, and hyperplasia means cells are multiplying.

An enlarged prostate is extremely common. More than half of men in their sixties have it, rising to roughly 90 percent by 85. In that sense, it is closer to a normal feature of aging than a disease, which is why BPH is often monitored rather than treated.

One point surprises almost everyone: symptom severity does not track prostate size. Some men with markedly enlarged glands barely notice, while others with modest enlargement are severely bothered. How the gland grows, and how the bladder has adapted, matter more than how big it is.

Read More: Men's Health Conditions: BPH, Erectile Dysfunction, and Hair Loss

Symptoms, and the Ones That Need Attention Sooner

Symptoms split into two groups. Voiding symptoms come from the obstruction itself: weak or slow stream, difficulty starting, straining, dribbling at the end, and a sense of not fully emptying. Storage symptoms come from the bladder working harder over time: urgency, frequency, and waking at night to urinate.

Sexual symptoms belong on the list too, and are routinely left off it. In MSAM-7, a survey of more than 14,000 men aged 50 to 80, erectile and ejaculatory problems both became more common as urinary symptoms worsened, and around 60 percent were bothered by ejaculatory difficulty.

Some changes should not wait. Sudden inability to urinate despite a full bladder is acute urinary retention and needs urgent care. Blood in the urine, repeated urinary infections, and symptoms that worsen despite treatment all warrant assessment rather than reassurance, because each has causes beyond the prostate.

What Causes It, and What It Is Not

Two things drive the growth: age and hormones. The prostate keeps responding to DHT, a byproduct of testosterone, and continues enlarging across adult life. Genetics has a strong influence on who becomes symptomatic and how early, and obesity, diabetes, and poor cardiovascular health all increase risk.

Now the part that causes the most anxiety. An enlarged prostate is not prostate cancer, does not turn into it, and does not raise your risk of getting it. The two are separate conditions that share an organ and an age range, so they can and do coexist, which is why screening continues in either case.

PSA is where this gets confusing. More prostate tissue produces more PSA, so an enlarged prostate genuinely raises the number without any cancer present. A raised PSA is therefore a reason to look further, not a diagnosis. Doctors weigh prostate size, recent infection, and inflammation before reaching a conclusion.

Treatment Options, from Monitoring to Surgery

Watchful Waiting

For mild symptoms, monitoring with periodic review is a legitimate plan, not a delay. Reducing fluids in the evening, cutting back on caffeine and alcohol, and giving the bladder time to empty can all help. It is also worth reviewing other medications, since decongestants such as pseudoephedrine and sedating antihistamines such as diphenhydramine can worsen symptoms or trigger urinary retention. Monitoring is not passive: it usually involves repeating the symptom score at intervals, so a gradual change is detected as a trend rather than only when it has become disruptive.

Medication

Two drug classes do most of the work, and they suit different situations rather than competing. Alpha blockers relax the muscle at the bladder neck and work within days without changing prostate size. 5-alpha-reductase inhibitors, or 5-ARIs, shrink the gland over 3 to 6 months and are only worth taking if the prostate is genuinely enlarged. A third route treats urinary symptoms and erectile dysfunction together.

Which one fits your situation best depends on where you are:

• Tamsulosin (Flomax), an alpha blocker, for bothersome symptoms with a normal-sized prostate, giving relief in the first week

• Finasteride (Proscar), a 5-ARI, is used when the prostate is above 30 cc or PSA is above 1.5 ng/mL, often paired with an alpha blocker

• Tadalafil (Cialis), 5 mg daily, is used when urinary symptoms and erectile dysfunction occur together, and one prescription can cover both.

Procedures

When medication isn't enough or complications develop, procedures can directly relieve the obstruction. Alongside longstanding options such as TURP and laser enucleation, the 2026 guideline covers a range of minimally invasive therapies, including water vapor treatment, prostatic urethral lift, aquablation, and prostatic artery embolization. These generally offer shorter recovery and better preservation of ejaculation, with durability that varies by procedure and prostate anatomy.

Where to Start

Start by scoring the symptoms rather than describing them. The International Prostate Symptom Score is a short questionnaire that turns vague complaints into a number, and that number determines whether monitoring, medication, or a procedure is the right course of action.

Ask for your prostate size and PSA at the same visit. Those two figures decide whether a 5-ARI is worth taking at all. Be wary of supplements marketed for prostate shrinkage: a Cochrane review of 27 trials found saw palmetto alone makes little to no difference to symptoms, at high to moderate certainty.

Finally, mention any sexual symptoms without waiting to be asked. They are part of the same picture; they influence which medication suits you, and the conditions page covers how BPH, erectile dysfunction, and hair loss overlap.

Read More: Men's Health Conditions: BPH, Erectile Dysfunction, and Hair Loss