Coccydynia differential diagnosis: what else can cause tailbone-area pain?

The pattern of pain, examination findings, and history usually guide the assessment. Imaging is considered when the story or examination suggests an injury, another disorder, or pain that is not settling as expected.

Coccydynia is pain arising from the coccyx and its surrounding tissues. It often becomes sharper while sitting, leaning backward, rising from a chair, or during direct pressure. A clinician may also consider pain referred from the lower back or sacroiliac region, pelvic-floor muscle problems, skin infection, a pilonidal cyst, rectal or pelvic conditions, and injury to the sacrum or coccyx.

Your history helps separate these possibilities. Useful details include a recent fall, childbirth, prolonged sitting, bowel or urinary symptoms, fever, skin changes, numbness, and whether pain occurs at night or without pressure. Examination may include the back, hips, nerves, skin, and careful palpation around the coccyx.

Note where the pain is most precise, what movements provoke it, when it began, and any injury or recent change in activity. Record associated bowel, bladder, pelvic, skin, or nerve symptoms. Bring a current medication list and mention previous back, pelvic, or coccyx problems. Until assessed, reduce direct pressure with a coccyx-cut-out cushion, change position regularly, and avoid activities that clearly worsen pain.

Treatment should match the suspected source. Physiotherapy may address posture, movement, pelvic-floor tension, and nearby muscle function. An injection may be discussed for persistent, well-localised pain after an appropriate clinical evaluation.

Arrange an assessment when pain persists, keeps returning, follows a significant fall, or interferes with sitting, sleep, walking, or bowel movements. Seek urgent care for new loss of bladder or bowel control, numbness around the groin or seat area, marked leg weakness, fever with worsening pain, spreading redness or drainage near the cleft, or severe pain after major trauma. Unexplained weight loss, a history of cancer, or pain that is steadily worsening also warrants prompt medical review.

Ask which findings point to the coccyx, which alternative causes are being considered, and whether an examination alone is sufficient. You can also ask what would make imaging useful, which activities to modify, how progress will be judged, and when physiotherapy or an injection would be appropriate.