Here are 10 important signs and symptoms of bladder cancer—many of which are subtle and often mistaken for common urinary issues. Early detection matters, because bladder cancer is highly treatable in its early stages.
10 Signs to Look Out For Bladder Cancer
1. Blood in the Urine (Hematuria)
The most common early sign.
You may see:
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Bright red or cola-colored urine
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Blood that appears once and disappears
Even painless hematuria should be checked immediately.
2. Frequent Urination
Needing to pass urine more often than usual—even without increasing fluid intake—can be a warning sign.
3. Pain or Burning During Urination
Often mistaken for a urinary tract infection (UTI).
If antibiotics don’t help, get it evaluated.
4. Urgency to Urinate
A sudden, strong need to urinate, even with little output, may indicate irritation of the bladder lining.
5. Pelvic or Lower Abdominal Pain
Discomfort, pressure, or cramping in the pelvis can occur as the tumor grows.
6. Back Pain (Especially on One Side)
If a tumor blocks urine flow, it can cause flank or lower back pain.
7. Recurrent UTIs
Frequent urinary infections that keep returning may mask underlying bladder cancer—especially in older adults.
8. Weak Urine Stream or Difficulty Urinating
Blockage or irritation in the bladder or urethra can make urination harder.
9. Unexplained Weight Loss or Fatigue
Advanced bladder cancer can cause appetite loss, weakness, and low energy.
10. Swelling in Feet or Legs
If the cancer spreads or blocks lymphatic drainage, it can cause leg swelling (edema).
When to See a Doctor
Seek medical evaluation immediately if you notice:
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Any amount of blood in your urine
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Urinary symptoms that last more than 2 weeks
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Symptoms that look like UTI but don’t improve with treatment
Bladder cancer detected early has a very high survival rate, so awareness is critical.