An intercostal nerve block involves injecting an anesthetic, or frequently steroids, into the intercostal nerve to alleviate pain. It is easy to perform and effective for alleviating discomfort. If you experience persistent pain in your chest, chest wall, or upper abdomen, an intercostal nerve block might be helpful for you. Reach out to our experts at Global Neuro and Spine Institute if you have worries about receiving an intercostal nerve block injection.