What is sciatica? Sciatica is nerve pain from an injury or irritation to your sciatic nerve. In addition to pain, it can involve tingling or numbness in your back or butt that may also radiate down your leg. …

Jan 31, 2024 · Sciatica most often happens when a herniated disk or an overgrowth of bone puts pressure on the lumbar spine nerve roots. This happens "upstream" from the sciatic nerve. This …

The sciatic nerve, also called the ischiadic nerve, is a large nerve in humans and other vertebrate animals. It is the largest branch of the sacral plexus and runs alongside the hip joint and down the …

Jun 26, 2025 · “Sciatica" is not actually a problem of the sciatic nerve itself. Instead, sciatica is usually caused by irritation of or injury to one of the nerve roots that combine to form the sciatic nerve.

Aug 14, 2025 · Sciatica is a painful condition with many possible causes. Learn what you can do to relieve sciatic nerve pain at home.

Dec 5, 2025 · Sciatica affects the nerves and causes pain, numbness, and weakness in the lower back and legs. Injuries and conditions that irritate the sciatic nerve at the spine cause sciatica. Sciatica...

Sciatic pain occurs when the nerve root in the lumbar spine is compressed (squeezed). The diagnosis is actually the cause of the nerve compression, such as a herniated disk — also known as a slipped …

Dec 15, 2025 · Wondering where your sciatic nerve is located? Learn its exact pathway, where sciatic pain starts, and what causes irritation in this beginner-friendly guide.

It is pain that starts along your sciatic nerve and spreads down your buttock and the back of 1 thigh. It is usually caused by a herniated (or bulging) disk in your spine that presses on your sciatic nerve.

Sep 14, 2025 · Sciatic nerve pain (sciatica) arises when the sciatic nerve is compressed or irritated. Learn how it feels, the pain location, causes, and treatments.