Lumbar disc herniation can be examined by CT and MRI to make a clear diagnosis, but it needs to be treated in hospital. When do we need to consider going to hospital to make a clear diagnosis? By mastering the following characteristics of medical history, you can have a good idea of this disease and at the same time provide reliable clues to the doctor during the consultation. 1. Sudden onset of back pain with radiating pain in the lower extremities. 2.It is good and bad, sometimes light and sometimes heavy, with repeated attacks. 3.Usually low back pain first, followed by leg pain. 4.Symptoms are aggravated when doing actions that increase abdominal pressure.