Sciatica recovery time is usually between 2 months to a year, and severe may not be able to fully recover. 1. The causes of sciatica are many, such as trauma, lumbar disc herniation or pectus excavatum syndrome, etc. Pain caused by trauma to the buttocks and sciatic nerve is usually recovered in about two months in milder cases, or six months if the condition is more serious. 2. If the sciatic nerve pain is caused by compression of the nerve by lumbar disc herniation or pectus excavatum syndrome, the pain can be recovered in three months after surgical treatment, and if the compression time is long, the recovery time may take about one year. 3. If sciatica is caused by the adherent pyriformis muscle jamming during the sciatic nerve traversing the pyriformis muscle gap, the treatment can relieve the tense pyriformis muscle, but it cannot cure it, and it needs to be loosened and treated for the pyriformis muscle syndrome. If the pyriformis syndrome is not fully treated, there is a chance that sciatica may not fully recover. Sciatica should go to the regular hospital in time, by the doctor according to the symptoms, signs and auxiliary examination to determine the specific cause of the disease, for the cause to give the correct treatment, so that sciatica as soon as possible to get back.