Hi, looks like he has developed lumbar disc prolapse...He should undergo surgery for nerve decompression and to prevent any complications. Approximately 75% of patients who undergo a microdiscectomy have long-term reduction of sciatic pain and, thus, are considered cured. Predominance of leg pain is the best determinant of good outcome from surgery for lumbar disc herniation.. Kindly consult Orthopedician for further evaluation and treatment...