Bladder Cancer: Symptoms and Signs. Blood or blood clots in the urine. Pain or burning sensation during urination. Frequent urination. Feeling the need to urinate many times throughout the night. Feeling the need to urinate, but not being able to pass urine. Lower back pain on 1 side of the body.
Blood in the urine: The first sign of bladder cancer is usually blood in the urine, also. Lower back pain: Larger bladder cancers may cause lower back pain.