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right side lower sacral area is noticeably bigger than left.

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Just about a month ago I noticed pain in my right lower sacral area (S5 right around the cornu). The right side is noticeably bigger than the left. The pain is very mild and only experienced when have sitting down half laying down position, where weight is directly put on that area. There is no pain from pressure from my fingers. Any ideas what may be causing this ? Thanks

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replied March 20th, 2015
Back Pain Answer A51505
Welcome to e health forum.

The pain you are experiencing could be described as Coccydynia (Tail Bone Pain).

Coccyx pain can occur from local trauma, fracture, Dislocation or sprains or the tail bone, inflammation of the cartilage or the soft tissues.

It would be recommended that you consult a doctor and seek a physical examination and proper treatment.

In the mean time you can use medications like advil or Naprosyn to seek some pain relief. Use of Cushions (Doughnut or wedge cushions) while you sit will also help.
If the pain is chronic, Injections of local anesthetic into the area might be recommended. In extreme or severe cases your doctor might recommend surgery to remove the coccyx bone (Coccygectomy).

I hope this helps.

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