When an Enlarged Prostate Led to Kidney Failure: One Man’s Story of Uremia, Cognitive Fog, and Recovery

Over the course of many years, I lived through something that surprised me — and that I now realize many men don’t fully understand. What began as typical urinary symptoms from an enlarged prostate gradually developed into progressive kidney failure caused by chronic urinary obstruction. The effects went far beyond the bladder. They touched my energy, my thinking, my sleep, and even how I experienced the world around me.

This is my personal story of benign prostatic hyperplasia (BPH), obstructive kidney damage, the “uremic fog” that can accompany it, and the remarkable recovery that followed proper treatment. I’m sharing it in the hope that it helps other men recognize warning signs earlier and seek care without delay.

How BPH Can Quietly Damage the Kidneys

Benign prostatic hyperplasia is extremely common in men as they age. The prostate gland, which sits just below the bladder and surrounds the urethra, gradually enlarges and can squeeze the urethra, making it harder for urine to flow freely.

When this obstruction becomes chronic, pressure builds backward into the bladder and eventually the kidneys. This condition is called obstructive uropathy. Over time, the backup of urine can cause the kidneys to swell (hydronephrosis) and lose function. In some cases, this leads to post-renal kidney failure — kidney damage that originates from a blockage downstream rather than from the kidneys themselves.

Medical sources confirm that while not the most common complication of BPH, significant kidney damage can occur when lower urinary tract symptoms are ignored or left untreated for years.

The Systemic Effects of Uremia — When the Body Can’t Clear Waste

As kidney function declines, waste products that the kidneys normally filter begin to accumulate in the blood. This buildup is called uremia. The effects are widespread and can be subtle at first, then increasingly disruptive.

In my case, I experienced:

• Profound, persistent fatigue
• Sleep disturbances and muscle cramps
• Cognitive slowing and difficulty with focus or complex tasks
• Changes in social perception, emotional engagement, and judgment

These are recognized consequences of advanced uremia. Uremic toxins can affect brain function, leading to cognitive impairment, reduced executive function, and alterations in how a person processes social cues and makes decisions. What felt like a gradual “fog” was, in reality, my body and mind being affected by the buildup of toxins my kidneys could no longer clear effectively.

One of the most important lessons for me was realizing that these changes were not simply “getting older” or stress — they had a clear physiological cause that could be addressed.

Practical Information to Discuss with Your Healthcare Provider

One of the most common pieces of feedback I receive is that men want clearer, practical information they can bring to their doctor. While this article is not medical advice, here is general information — drawn from medical literature and clinical practice — that many men find helpful when preparing for conversations with their physician.

Symptoms Worth Tracking and Discussing

Many men gradually adapt to changes in urination and assume they are simply part of aging. However, certain patterns — especially when they worsen over time or occur together with other symptoms — are worth noting and bringing to your doctor’s attention. These can include:

• Urinary symptoms: A noticeably weaker stream, difficulty starting urination, stopping and starting of the flow, a persistent feeling of incomplete bladder emptying, straining to urinate, increased urinary frequency (particularly at night), or sudden urgency.
• Signs that may suggest significant obstruction or retention: A marked or sudden worsening of urinary symptoms, or any episodes where you were unable to urinate at all.
• Systemic symptoms that developed alongside urinary changes: Unusual or increasing fatigue, brain fog or difficulty concentrating, muscle cramps, disrupted sleep, or a general sense that your energy and mental clarity have declined.

If you are experiencing a combination of progressive urinary symptoms plus fatigue or cognitive changes, it is reasonable to ask your doctor whether further evaluation of kidney function and bladder emptying might be appropriate.

Common Tests Physicians Often Consider

When there is concern about possible kidney involvement related to BPH or obstructive uropathy, physicians commonly use the following tests. These are not routinely ordered for every man with urinary symptoms, but they are frequently used when symptoms are significant, worsening, or when there are other risk factors:

• Blood tests for kidney function: Serum creatinine (a key marker of how well the kidneys filter waste) and Blood Urea Nitrogen (BUN). From the creatinine result, doctors calculate the estimated glomerular filtration rate (eGFR), which gives a clearer picture of overall kidney function. An eGFR below 60 for three months or more can indicate chronic kidney disease and often prompts further investigation.
• Post-Void Residual (PVR) measurement: This simple test (usually done with a portable bladder scanner or ultrasound) measures how much urine remains in the bladder after you urinate. A consistently high PVR can indicate poor bladder emptying due to obstruction and raises the possibility of back-pressure affecting the kidneys.
• Renal and bladder ultrasound: If blood tests show impaired kidney function or if PVR is significantly elevated, a renal ultrasound is often ordered to check for hydronephrosis (swelling of the kidneys caused by urine backup). A bladder ultrasound can also help assess prostate size and residual urine.

These tests are generally safe, non-invasive, and provide objective information that helps guide next steps. Many men find it useful to write down their symptoms (including when they started and how they have changed) and ask directly: “Given my urinary symptoms and fatigue/brain fog, would it be reasonable to check my kidney function with bloodwork and measure my post-void residual?”

Remember: The decision to order any test, and how to interpret the results, always rests with your physician based on your complete medical history, physical exam, and individual circumstances. Guidelines from organizations such as the American Urological Association note that while routine kidney function screening is not recommended for every man with lower urinary tract symptoms, targeted testing is appropriate when there are concerning features.

If your results are abnormal or your symptoms persist, asking for a referral to a urologist for further evaluation is a common and reasonable next step.

The Turning Point: TURP and the Road Back

Following evaluation and treatment, I underwent a transurethral resection of the prostate (TURP) performed by my urologist. This procedure removes excess prostate tissue that was obstructing urine flow.

After the TURP, my kidney function improved substantially. The uremic symptoms that had been building for years began to resolve. My energy returned, mental clarity improved, sleep became more restful, and I felt my normal level of social engagement and emotional steadiness come back.

My family physician has observed and documented this positive recovery. The experience reinforced for me how dramatically quality of life can improve when the underlying obstruction is properly relieved.

What This Experience Taught Me About Men’s Health

Looking back, I wish I had acted sooner on the urinary symptoms I was experiencing. But my diagnosis was delayed by misreading of my symptoms by a previous family physician. Many men normalize changes in urination — weaker stream, more frequent nighttime trips, incomplete emptying — and assume they are just part of aging. In reality, these can be early signals that deserve medical attention.

Key takeaways I now share with others:

• Don’t ignore persistent lower urinary tract symptoms. Early evaluation can prevent serious downstream complications.
• Ensure your blood tests include kidney function and that your physician checks the kidney results carefully. 
• Regular men’s health check-ups, including PSA testing and discussion of urinary symptoms with your doctor, matter — especially after age 50.
• Prostate health, kidney function, and overall vitality are interconnected. What affects one system can influence others.
• Recovery is possible. With proper treatment, many men regain significant function and quality of life.

Prostate Health and Sexual Wellness Are Connected

Prostate issues and sexual function often travel together. Many men who deal with BPH or who undergo prostate procedures also experience changes in erectile function or venous leak. If you or someone you care about is navigating life after prostate surgery, you may find our article on restoring the sensation of ejaculation helpful: EjacuSense – Restoring Ejaculation Sensation After Prostate Surgery.

Men’s health is rarely about just one issue. Taking a comprehensive view — addressing urinary symptoms, kidney health, and sexual wellness together — leads to better outcomes and greater confidence.

Moving Forward with Renewed Clarity

Today, I feel like myself again — with energy, mental sharpness, and the ability to fully engage in work, family, and life. The journey through BPH-related kidney issues was challenging, but it also gave me a deeper appreciation for listening to my body and acting on symptoms early.

If you’re experiencing urinary changes, fatigue that doesn’t improve, or other symptoms that concern you, please speak with your physician. Early attention can make all the difference.

Thank you for reading my story. I hope it encourages you or someone you love to take that important next step toward better health.

Nigel Shaw
Xialla CEO and Inventor of the Xialla Device

References

• Mayo Clinic. Benign prostatic hyperplasia (BPH) – Symptoms and causes. https://www.mayoclinic.org/diseases-conditions/benign-prostatic-hyperplasia/symptoms-causes/syc-20370087
• Cleveland Clinic. Uremia: Causes, Symptoms, Diagnosis & Treatment. https://my.clevelandclinic.org/health/diseases/21509-uremia
• PSNet (AHRQ). Renal Failure Due to Benign Prostatic Hyperplasia. https://psnet.ahrq.gov/web-mm/renal-failure-due-benign-prostatic-hyperplasia
• Medical literature on uremic toxins and cognitive function (various PMC reviews).
• Personal medical documentation from Dr. N. Firdosi, family physician (April 2026).