Epidural steroid injections have been used to treat pain caused by lumbar disc injuries since the 1950s.[1][2][3] These injections are often used in treating radicular pain, a neuropathic pain syndrome that radiates down a dermatome of 1 or more spinal nerves. Typically, the pain is due to nerve root irritation from mechanical compression by an intervertebral herniated disc, leading to inflammation. Additional etiologies leading to mechanical spinal nerve compression include spondylosis, s...
