Back pain and prostate cancer

Prostate cancer that has affected bone can present with persistent pain in the back, hips, or pelvis. Early prostate cancer may cause no symptoms, and back pain by itself cannot show whether cancer is present.

Pain from a strained muscle often follows activity and changes with posture or movement. Pain linked to a bone problem may be deep, persistent, troublesome at rest, or gradually worsening, although these features overlap and are not diagnostic.

Clinicians also check for difficulty starting or stopping urine, a weak stream, blood in urine or semen, unexplained weight change, fatigue, and a known prostate cancer diagnosis. These details determine whether examination, blood testing, or imaging is appropriate.

Book a medical review for pain that does not settle, repeatedly returns, wakes you, or comes with urinary changes. Note the exact site, onset, movement triggers, night symptoms, leg symptoms, pain relief used, and any previous prostate tests or treatment.

If you already have prostate cancer, report a new focal bone pain or a clear change in existing pain to your oncology team promptly. The team can assess whether it reflects treatment effects, an everyday back problem, or cancer activity.

Go to emergency care for new leg weakness, difficulty walking, numbness around the buttocks or genitals, or loss of bladder or bowel control. These can signal pressure on spinal nerves. Severe rapidly worsening pain, fever with back pain, or inability to pass urine also warrants urgent help.

You could ask whether the examination points to muscle, nerve, urinary, or bone involvement; whether prostate testing or imaging would change management; which pain relief is suitable with your medicines; and exactly which neurological symptoms require emergency care.