Bladder Cancer Warning Signs: Why Painless Blood in the Urine Matters
By Dr. Christopher Vendryes, MD · Board-Certified Urologist · · 5 min read
Quick answer: The most common sign of bladder cancer is painless blood in the urine, which may make urine pink, red, or brown and may come and go. Other signs include frequent or urgent urination and burning without infection. Smoking is the biggest risk factor, linked to about half of bladder cancers. Bladder cancer is diagnosed with cystoscopy, and most cases are found early, when they're highly treatable. Any visible blood in the urine should be evaluated by a urologist.
What are the symptoms?
- Painless blood in the urine, the most common first sign
- Urinating more often or urgently
- Burning with urination without an infection
- Difficulty urinating or a weak stream
- Back or pelvic pain, usually in more advanced disease
These symptoms can also come from infection, stones, or an enlarged prostate, but they always deserve a check.
Who is at risk?
- Smokers and former smokers: smoking is linked to about half of cases
- Men, who are about four times more likely than women to develop it
- Age over 55
- Workplace chemical exposure in dye, rubber, leather, textile, paint, and printing industries
- Prior pelvic radiation or certain chemotherapy
- Chronic bladder irritation or infection
How is bladder cancer diagnosed?
- Urine tests, including cytology to look for abnormal cells
- Imaging, usually CT urography, to check the kidneys and ureters
- Cystoscopy, a thin camera that looks inside the bladder, done in the office in minutes. See Cystoscopy: What to Expect.
If a tumor is found, it's removed and examined in a procedure called TURBT (transurethral resection of bladder tumor).
What are the types?
| Type | What it means | Typical treatment |
|---|---|---|
| Non-muscle-invasive | Limited to the bladder lining | TURBT, often with medication placed in the bladder (such as BCG), plus regular cystoscopy |
| Muscle-invasive | Grown into the bladder muscle | Chemotherapy, bladder removal with urinary reconstruction, or combined chemotherapy and radiation |
About three-quarters of bladder cancers are found before they invade the muscle.
Why does follow-up matter?
Bladder cancer often comes back, so regular cystoscopy is part of long-term care. Staying on schedule catches recurrences early.
Can I lower my risk?
Quitting smoking is the most important step, and risk drops over time after quitting. Drinking enough fluids and following workplace safety rules also help.
Frequently Asked Questions
Talk to a Board-Certified Urologist
Dr. Vendryes sees patients in Plantation and across Broward and Palm Beach Counties for men's health, fertility, kidney stones, urologic cancers, and bladder problems.
References
- National Cancer Institute. Bladder Cancer Treatment (PDQ).
- American Cancer Society. Bladder Cancer Risk Factors; Key Statistics.
- American Urological Association / SUO. Non-Muscle Invasive Bladder Cancer Guideline.