Blood in the urine, which can be harmless or a symptom of a serious illness.

When to seek immediate medical care

See a healthcare professional right away if:

  • A person needs to urinate but can't.
  • Lots of blood appears to be in the urine.

When to make a doctor's appointment

See a healthcare professional if:

  • Urine looks pink, red or the color of cola.
  • Urination also is painful.