Definition: Coccydynia is a painful condition of the tailbone or coccyx. There is no definitive cause for coccydynia. However, trauma from falling, repetitive action (bike riding), or childbirth can cause tailbone pain.
From Laura Inverarity, D.O., former About.com Guide
Updated May 09, 2009
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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