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Symptom guide

Blood in urine

Find out about blood in urine (pee). It's not usually anything serious, but sometimes it can be, so you must get it checked out by a GP.

About this information

This NHS content is written for people in England. Services, contact routes and treatment arrangements may differ in other countries.

When and where to get medical help

If you think you have blood in your pee, you need to get it checked, even if there's only a small amount or you're not sure it's blood.

Ask for an urgent GP appointment or get help from NHS 111 if:

  • you have blood in your pee or think you may have blood in your pee

Blood in your pee may be bright pink, red or dark brown.

You can call 111 or get help from 111 online .

Cancer risk

Blood in your pee must be checked out because it can be a sign of cancer. Cancer may be easier to treat if it's found early.

What happens at your appointment

If you have blood in your pee, a GP will ask about your symptoms and may need to check inside your bottom (rectal examination) or your vagina.

They might also:

  • ask you for a pee sample or arrange a blood test
  • prescribe antibiotics if they think you have an infection
  • refer you to a specialist for tests

Causes of blood in urine

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.

When it might be something else

It may not be blood in your pee if:

Blood in urine

Diagnosis

Blood in urine

Causes

If you have blood in your pee, a GP will ask about your symptoms and may ask for a pee sample or arrange a blood test.

Common causes of blood in pee include urinary tract infections, kidney stones and an enlarged prostate.

Content supplied by the NHS website

Content supplied by the NHS website, refreshed 29 September 2026. View the original NHS article ↗

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