How long does it take for a herniated lumbar disc to be closed without pain varies from person to person, with some taking 1 to 2 weeks and some not having a significant effect. Herniated lumbar discs can cause low back pain, and compression of the nerves can cause leg pain and numbness. Closure injection is to inject lidocaine and corticosteroid drugs into the location of the pain point, can play a role in anti-inflammatory and pain relief. If the pain point in the muscle starting and stopping point or joint synovial joints after injection usually 1 week will not hurt. In some patients, because of the long duration of the disease, the effect is slower, may be 2 weeks. Closed injection can not be long-term injection may cause local infection, osteoporosis. In severe herniated discs, nerve compression is so severe that it is difficult to get rid of the herniated disc through closed injections, and surgery is usually needed to remove the herniated disc.