Drugs:
lidocaine and triamcinolone acetonide injection.At night after lumbar paravertebral nerve block injection, the lower back skin burning sensation, numbness of the right groin hip hip the next day and radiation to the lower limbs, a heavy sense of her left leg, 5 days double legs pain to the heel, the activity increased after skin hypoesthesia. 8 days later, the abdominal perineal these symptoms, abdominal muscle spasms. The cumulative post double ribs to the armpits.