Alan Kaye The device used to treat interventional pain is a nerve block. It's a tube with a needle at one end and a liquid solution at the other. Doctors insert this tube into the painful area and administer anesthetic medicine to reduce the patient's pain. Alan Kaye Shreveport This method is more effective than taking an oral or topical painkiller because it targets specific nerve endings in the affected area. People who have intererential pain can experience significant improvements in their health after receiving this treatment.All Rights Reserved