Caudal plexus pain and caudalgia can also cause caudal bone pressure pain and abnormal activity. The caudal plexus pain and caudal dysesthesia can be caused by different etiologies. It is usually caused by trauma and deformity, but some of them are caused by chronic strain. In caudalgia, there may be caudal bone pressure and abnormal activity on anal examination, and sometimes the fracture end and displacement may be palpated. Depending on the cause, the pain may be caused by the dislocation of the caudal fracture, which is displaced forward or laterally by the pulling of the caudal muscle and the anal levator muscle. The pain is lighter when standing still or lying down, and it increases when sitting or straining in stool; and there is localized pressure pain. There may be caudal pressure and abnormal activity on anal palpation, and sometimes the fractured end and displacement may be palpable. Most of the symptoms are milder when caused by other reasons, especially in congenital and long-standing cases.