Bladder cancer
Blood in the urine is the most common symptom of bladder cancer. 80 out of 100 people with bladder cancer (80%) have some blood in their urine. Doctors call blood in the urine haematuria (pronounced heem-at-you-ree-ah).
You may see the blood in your urine. It might look pink or red. Rarely, it may look dark brown. Sometimes the blood is there in such small amounts that you can't see it. But a urine test will pick it up.
The blood may not be there all the time. It can come and go. The bleeding is not usually painful. But if you ever see blood in your urine, you should go to your GP.
It can help if you tell your GP whether:
there is blood only when you start to pee
the blood is mixed with all the urine you pass
you had any pain when you passed the urine with blood in it
You may have problems passing urine. This includes:
passing urine very often (frequency)
having a sudden need to pass urine (urgency)
pain or a burning sensation when passing urine
These symptoms are much more likely to be caused by conditions other than cancer. For example a urine infection, particularly if you do not have blood in your urine. For men, the symptoms could be caused by an enlarged .
Tell your doctor straight away if you have these symptoms. If you have an infection, it can usually be treated quickly with . And it is always best to check for cancer as early as possible so that it can be diagnosed while it is easier to treat.
You might have other symptoms if your bladder cancer has spread to other parts of the body (advanced bladder cancer). These include:
weight loss for no reason
pain in your back, lower tummy (abdomen) or bones
feeling tired and unwell
Last reviewed: 23 Apr 2025
Next review due: 23 Apr 2028
See your GP if you notice a change that isn't normal for you. Or if you have any of the possible signs and symptoms of bladder cancer.
You usually have a number of tests to find out if the symptoms you have could be due to bladder cancer. If you have bladder cancer, you then need more tests to find out how far it has grown.
Bladder cancer starts in the inner lining of the bladder. The bladder stores urine and is in the lower part of your tummy (abdomen).
Smoking tobacco is the biggest cause of bladder cancer in the UK. There are some other risk factors that can increase your risk.
The stage, type and grade of your cancer helps your doctor decide which treatment you need.
Go to the main page to find all the information we have about bladder cancer, including tests, treatment, research and support.

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