Primarily used to diagnose the specific source of nerve root pain and secondarily used for therapeutic relief of low back pain or leg pain. The injection is done both with a steroid and a numbing agent and fluoroscopy is used to ensure medication is delivered to the correct location.
- If the pain goes away after the injection, it can be inferred that the pain generator is the specific nerve root that has just been injected.
- Recovery time: Very little recovery time and patients may return to work the same day.
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