In a metaanalysis by Reihsaus et al. (2000), of the 738 patients with SEA, 35% presented with thoracic epidural abscess, 30% had lumbar or lumbosacral abscesses, and 19% had cervical epidural abscess.

Patients who developed SEAs after undergoing spinal procedures have a poor outcome ... percutaneous aspiration, or culture of epidural catheters have a good outcome when treated medically with ...

Another rare but serious risk is an epidural abscess, which can cause incontinence, urinary retention, fever, and back pain. And the shots can cause several minor (and short-lived) side effects ...