Possible signs of bladder cancer include blood in the urine or pain during urination.

These and other symptoms may be caused by bladder cancer. Other conditions may cause the same symptoms. A doctor should be consulted if any of the following problems occur:

* Blood in the urine (slightly rusty to bright red in color).

* Frequent urination, or feeling the need to urinate without being able to do so.

* Pain during urination.

* Lower back pain.