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 radiate down your leg.

Dec 23, 2025 · 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. …

Nov 5, 2025 · What Is Sciatica? Sciatica means an irritated or compressed sciatic nerve. It's a nerve that travels from your lower back down each leg — and can commonly cause pain in …

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 …

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 …

Sep 23, 2025 · What Exactly is Sciatica? Sciatica isn’t a disease by itself—it’s a set of symptoms caused by irritation or compression of the sciatic nerve. This nerve is the largest in your body, …

You can experience sciatic nerve pain along the entire nerve, or just along some parts of the nerve. Doctors often distinguish two types of sciatic pain: above the knee and below the knee. …

May 24, 2024 · Sciatica is a type of low back pain caused by irritation of the sciatic nerve. Click here to learn more about how sciatica is diagnosed and treated.

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 …