Causes of numbness of perineum
Lumbar disc prolapse [top]
- Sudden onset of back pain in association with minor trauma such as lifting or coughing acute back pain
- Large anterior prolapse: Cauda equina syndrome - leg weakness, numbness of perineum, faecal incontinence, urinary retention
- Posterior prolapse: Shooting pain radiating to thigh, calf 'sciatica'