Epidural or peridural infiltration is a procedure in which a pain-relieving medication is injected near the nerve roots in the spinal column. Most patients who undergo peridural treatment suffer from neuropathic pain, as in the case of pain caused by herniated discs.
Epidural therapy is often the first interventional treatment in herniated disc radiculopathies; in fact, peridural antalgic therapy is considered the gold standard in the conservative treatment of lumbosciatica. The aim of peridural treatment is to inject the inflamed nerve root from which the pain originates with a mixture of steroid and anaesthetic, which respectively have anti-inflammatory and analgesic activity.
We generally differentiate between three types of peridural therapy:



