A sympathetic nerve block involves injecting an anesthetic near the affected sympathetic nerves to alleviate pain. It halts pain signals swiftly, providing relief for ailments like CRPS and neuropathy. A sympathetic nerve block helps your provider identify the origin of your burning, pain, or tingling sensations in your arms, hands, legs, and feet. Dr. Ryan Brooks DO, DAOBPMR, along with his team at Global Neuro & Spine Institute, will provide you with appropriate care.