coccidonia is incorrectly written, and should be written as "coccigodinia" as meaning: coccidonia = coccigodiniaEl pain in the tailbone area is called coccigodinia or coxigodinia ( or with other names ). The coccigodinia can vary from a mild annoyance to a sharp pain; each person feels it differently and even for the same person the pain changes over time. The name describes a pattern of symptoms ( sit causes or it aggravates pain ) in a way that is actually a group of conditions, which may have different causes and require different treatments.