Epidural-Spinal-Injections
What Is an Epidural Spinal Injection, and How May It Help Reduce Back or Leg Pain?
Epidural injections are a non-surgical treatment to help relieve low back and leg pain. It goes into your “epidural space,” which is right outside of the membrane that protects your spinal cord. Doctors use epidural injections to relieve pain during and after surgery, as well as managing chronic pain.
A spinal epidural injection places anti-inflammatory medicine into a specific region of the spine’s epidural space. The medication helps decrease inflammation of the nerve roots, hopefully reducing the pain in the back or legs. The epidural injection may help the injury heal by reducing inflammation. It may provide permanent relief or provide a period of pain relief for several months while the injury/cause of pain is healing.
What Is the Spine's Epidural Space?
The membrane that covers the spinal cord and nerve roots in the spine is called the dura mater, a protective type of tissue. The space surrounding the dura mater is the epidural space. Nerves travel through the epidural space to the back and into the legs. Inflammation of these nerve roots may cause pain in these regions due to irritation from a damaged disc or from contract in some way with the bony structure of the spine.
Illustration shows many spinal structures including, the third and fourth lumbar (low back) vertebrae, spinal cord, subarachnoid space, and epidural space.
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