Peripheral Nerve Blocks injections can be used to treat a variety of conditions that involve nerve pain or inflammation, including carpal tunnel syndrome, chronic headaches, and joint pain. They can also be used to diagnose the source of pain by identifying which specific nerve is responsible for the symptoms.Peripheral Nerve Blocks consist of administering a medication that may include local anesthetics, steroids, or other drugs that help to provide pain relief or reduce inflammation. The location of the affected nerves and the specific condition being treated will determine the injection site and technique to be employed.