Sciatica is one of the most searched physical conditions in the United States, and one of the most frustrating to manage. It's not a single injury. It's a symptom of a compressed or irritated sciatic nerve, which means discomfort can radiate from the lower back through the hip, glute, and down the entire leg. Pills reduce inflammation temporarily. Heat provides surface comfort. But most treatments don't address the nerve signaling mechanism that keeps sciatica active long after the initial compression has resolved. Relief patches offer something different: targeted, localized delivery at the nerve pathway, without pills, without injections, and in Signal Relief's case, without drugs entirely. This guide covers how sciatica works, why patches are effective for sciatic nerve discomfort specifically, how to position them correctly, and which type of patch actually produces lasting relief versus temporary masking. What Is Sciatica and Why Is It So Persistent? The sciatic nerve is the longest nerve in the human body. It originates in the lower lumbar spine (L3–S3), passes through the buttock, runs down the back of each leg, and branches into the feet. When any part of this pathway is compressed by a herniated disc, bone spur, piriformis tightness, or spinal stenosis, the nerve sends signals along its full length. This is why sciatica produces such a distinctive symptom pattern: a shooting, burning, or electric sensation that travels from the back down through the hip, through the buttock, and along the back of the leg to the calf or foot. In many cases, this is also accompanied by numbness, tingling, or weakness in the leg. The persistence of sciatica, why it can last weeks, months, or years, comes down to nerve sensitization. After the initial compression triggers nerve signals, the nervous system can become