I've got IBS (2 years now) and just over the last 2 weeks I've had lower back pain and left buttock pain too. My doctor has no idea why the pain is in the buttock. Could it be cancer? I do suffer from problems going to the bathroom but the pain in buttock is sore
IBS, itself, is not generally associated with low back pain and buttock pain. Possible causes of your back and buttock symptoms might include muscular strain of the back muscles, a herniated disc in your spine, arthritic changes of your spine, and sciatica (from sitting on hard surfaces for prolonged periods of time). Early cancers tend to be painless, but advanced cancers may be associated with pain.
You might consider having your doctor address these possible causes for your low back and buttock pain.
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