Is the prognosis of nerve block needle easy to relapse?

We can also use nerve blocks, a technique that is applied at the delivery site to paralyze a block in nerve conduction and relieve the mother of the pain of childbirth. So are we prone to nerve blocks that make some of our diseases recur? Because our current technology is not very perfect, the diseases treated by nerve block are relatively prone to relapse, because nerve tissue technology is basically the same as drug therapy, but this technology can control our disease at the most critical time and provide us with time to treat this disease. Therefore, in certain diseases, This is a very useful technique, for example, for patients with a herniated disc.