The most common cause of blood in the urine in the UK is infection, but it may be a symptom of another condition

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About blood in your urine

If you notice blood in your urine, no matter how small the amount, even if it was just once and regardless of having any other symptoms, you should have it investigated. Blood in the urine could be a symptom of cancer of the bladder, kidney or bladder stones, inflammation of the kidneys, urinary tract injuries or a blood disorder.

Need to know

Passing blood or blood clots in your urine that may be bright pink, red or dark brown.

A urine test called a urinalysis will be performed initially. If the initial urine test result comes back positive for infection you will commence a course of antibiotics. If the test results show no sign of infection more detailed investigations will be conducted. These may include:

  • detailed questioning about your urinary tract and any related symptoms
  • a physical examination (including rectal or vaginal examination)
  • an ultrasound scan of your kidneys and bladder
  • a CT scan AND/OR a scan called a CT IVU which may involve an iodine-based injection
  • a flexible cystoscopy, which is a telescopic check of the bladder

Treatments will depend on the reason for the blood in your urine. If it is caused by a urinary infection a simple course of antibiotics should resolve the symptoms. If it is found to be a different condition your consultant will talk you through the most appropriate treatment options.

Our Haematuria locations

The Harley Street Clinic

The Harley Street Clinic

35 Weymouth Street W1G 8BJ London
The Portland Hospital

The Portland Hospital

205-209 Great Portland Street W1W 5AH London
The Shard Outpatients

The Shard Outpatients

The Shard, 32 St Thomas Street SE1 9BS London
The Wellington Hospital

The Wellington Hospital

8A Wellington Place NW8 9LE London

Patient stories

This content is intended for general information only and does not replace the need for personal advice from a qualified health professional.