The epidural space is located outside the lining of the spinal cord. Medications such as corticosteroids and /or local anesthetics are injected in the epidural space by the way of a needle or catheter.
What Is The Purpose Of An Epidural Steroid Injection?
The corticosteroid injected reduces the inflammation and/or swelling of the nerves in the Epidural space. This may reduce the pain, tingling, numbness, and other symptoms caused by nerve inflammation and /or irritation and swelling.