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(Tailbone Fracture; Broken Tailbone)
A coccyx fracture is a broken tailbone. The coccyx is the lowest part of the backbone or spine. It is small and shaped like a triangle. The bone curves gently from the end of the spine into the pelvis.
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Coccyx fracture is caused by trauma. Trauma may be caused by:
- Childbirth, which may result in a newborn breaking the mother's coccyx
Fractures may may also occur during straining or friction, such as with rowing or bike riding.
Coccyx fractures are more common in women. Other risk factors that may increase your chance of a coccyx fracture include:
- Increased age
- Certain diseases or conditions that result in bone or mineral loss, such as abnormal or absent menstrual cycles or menopause
- Decreased muscle mass
- Certain congenital bone conditions
- Participating in certain activities, such as skating or contact sports that may lead to falls in a seated position
A coccyx fracture may cause:
- Pain that increases with sitting or getting up from a chair
- Pain that increases during a bowel movement
- Tenderness over the tailbone
You will be asked about your symptoms and how the injury occurred. A physical exam will be done. The exam may include a rectal exam. If the coccyx is fractured, your doctor may feel abnormal movement of the coccyx. You will experience pain. X-rays may or may not be needed.
The goal is to manage pain until the bone can heal. The location of the coccyx and the number of muscles attached to it makes it difficult to prevent it from moving while it is healing. Generally, pain will go away on its own.
The area may remain painful for a long period of time, even after the fracture has healed. Bed rest may be needed for a day or two, or moving only as comfort allows.
Medications may be given to help manage pain. These include:
- Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen
- Analgesics, such as acetaminophen
- Prescription pain medications
- Local anesthetic injections
- Rarely, local steroid injections
Stool softeners may also be needed to help prevent constipation or pain during bowel movements.
Surgery for a painful coccyx fracture is rare and not very successful. If pain continues and causes disability, a coccygectomy might be recommended. During this procedure, the doctor removes the coccyx.
To help reduce your chance of a coccyx fracture:
- Do not put yourself at risk for trauma to the bone.
- Build strong muscles to prevent falls.
- Wear proper padding and safety equipment when participating in sports or activities.
To help reduce falling hazards at work and home:
- Clean spills and slippery areas right away.
- Remove tripping hazards such as loose cords, rugs, and clutter.
- Use non-slip mats in the bathtub and shower.
- Install grab bars next to the toilet and in the shower or tub.
- Put in handrails on both sides of stairways.
- Walk only in well-lit rooms, stairs, and halls.
- Keep flashlights on hand in case of a power outage.
American Orthopaedic Society for Sports Medicine
Ortho Info—American Academy of Orthopaedic Surgeons
The Canadian Orthopaedic Association
When it Hurts to Move—Canadian Orthopaedic Foundation
Acute low back pain. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T114958/Acute-low-back-pain . Updated May 15, 2017. Accessed August 24, 2017.
Fractured coccyx. Cure Back Pain website. Available at: http://www.cure-back-pain.org/fractured-coccyx.html. Accessed August 24, 2017.
Low back pain. Ortho Info—American Academy of Orthopaedic Surgeons website. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=A00311. Updated December 2013. Accessed August 24, 2017.
Spinal cord injury—acute management. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T114275/Spinal-cord-injury-acute-management . Updated June 15, 2017. Accessed August 24, 2017.
- Reviewer: EBSCO Medical Review Board Warren A. Bodine, DO, CAQSM
- Review Date: 09/2018
- Update Date: 09/12/2014