The most common first sign of bladder cancer is blood in the urine, although a variety of other problems with urination may also serve as signals. See a healthcare provider for a proper diagnosis—early detection is key to your outcome.

Verywell

1. Blood in the Urine

Blood in the urine , or hematuria, in bladder cancer is usually painless, visible, and comes and goes:

Blood can be present in the urine, then disappear, only to reappear days or weeks later.

In bladder cancer, blood is typically present throughout the urination process. This is a subtle clue that something may be wrong, but not a hard and fast rule.

Sometimes, blood in the urine is not visible to the naked eye. Rather, it is picked up microscopically—usually from a urine sample taken for another purpose at a healthcar

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