Coccydynia, or tailbone pain, is a fairly rare and poorly understood condition that can cause persistent low back pain. It is felt as a localized pain at the very bottom of the spine (the coccyx) and will generally feel worse when sitting.
The condition is much more common in women than men. It is usually caused by local trauma (a fall) or giving birth. On rare occasions, an infection or tumor can also cause pain in the coccyx.
Inflammation of the bony area (tailbone or coccyx) located between the buttocks is referred to as coccydynia. Coccydynia is associated with pain and tenderness at the tip of the tailbone between the buttocks.


Coccydynia is often caused by an injury, but may occur seemingly spontaneously. There are many causes of tailbone pain which can mimic coccydynia, including sciatica, infection, pilonidal cysts, and fractured bone.


Patients with coccydynia are advised to use a well-padded seat when sitting and avoid long periods of sitting as possible. If the condition becomes severe or persistently troublesome, then medical attention should be sought to accurately evaluate the cause of the pain.
Rest, avoiding re-injury to the affected area, anti-inflammation and pain medications can relieve symptoms. Some patients with persistent coccydynia are treated with local cortisone injection. This injection is simply performed in the doctor's office and can potentially dramatically relieve the pain and even resolve the symptoms for many. Rarely, when patients have unrelenting pain, a surgical resection of the coccyx can be performed to remove the irritated bony prominence.
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