Many kidney cancers do not cause symptoms; they are found incidentally during a scan, X-ray or ultrasound that was ordered for another problem.

When kidney cancer does cause symptoms, these can be non-specific; that is, many of the symptoms that kidney cancer might cause can be mistakenly attributed to other causes, like a urine infection or a muscle twinge.

Most kidney cancers do not cause pain until the advanced stages when they have started to spread. Many people with kidney cancer are not aware they have a tumour until they have a test for another health problem.

However, always talk to your doctor if you are experiencing any of these signs or symptoms:

  • blood in the urine or changes in urine colour to dark, rusty or brown (haematuria)
  • lower back, abdominal or flank pain that is not linked or related to an injury
  • weight loss
  • newly developed high blood pressure
  • constant tiredness
  • fever or night sweats that are not linked with any other conditions.
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