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Nerve Block Injections

Selective nerve root block injections (SNRB) are commonly administered to patients experiencing pain resulting from a compressed spinal nerve root.

Understanding the Nerve Block Injection Process

Selective nerve root block (SNRB) injections are used to diagnose and treat neck and back pain. These injections target specific nerve roots to help identify the source of pain or provide relief. The process typically involves the use of imaging guidance to accurately deliver the injection to the affected area. Depending on the patient’s condition, the injections may be administered in the cervical (upper), thoracic (middle), or lumbar (lower) spine.

When and Why Nerve Block Injections Are Used

Physicians employ selective nerve root block injections for many reasons, including:

  • Diagnosis: To pinpoint the source of pain, physicians may use an anesthetic nerve block. If the pain subsides temporarily, it confirms that the targeted nerve is the cause. This diagnostic use can also help predict whether surgery might be effective.
  • Treatment: Corticosteroid-based nerve blocks are used to reduce inflammation and pain. This can provide enough relief for patients to begin physical therapy or manage symptoms without surgery. While one injection may be enough, some patients require multiple sessions. Typically, 3–6 injections per year are recommended, depending on the individual’s condition.

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