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Blood in urine (pee) is not usually caused by anything serious, but you must get it checked out by a GP.
You have blood in your pee, even if:
Blood in your pee may be bright pink, red or dark brown.
You can call 111 or get help from 111 online.
Blood in pee must be checked out because it can be a sign of cancer. This is easier to treat if it's found early.
If you have blood in your pee, a GP will ask about your symptoms and may need to check inside your bottom (rectal examination), and your vagina if you're a woman.
They might also:
Blood in your pee could come from anywhere in the urinary tract – the bladder, kidneys or urethra (the tube that carries pee out of the body).
If you have other symptoms, this might give you an idea of the cause. But do not self-diagnose. See a GP if you think it's blood in your pee.
| Other symptoms | Possible cause |
|---|---|
| Burning pain when peeing, need to pee often, smelly or cloudy pee, high temperature, pain in sides or lower back | Urinary tract infection (UTI) |
| Bad pain in sides, lower back or groin that comes and goes, unable to lie still, feeling sick | Kidney stones |
| Older men (common in over-50s) finding it difficult to pee, needing to pee suddenly and often, waking up to pee in middle of the night | Enlarged prostate |
It may not be blood in your pee if:
Find out more about blood in urine on the British Association of Urological Surgeons (BAUS) website
