A nerve block, or neural blockade, is a method of producing anesthesia — a loss of feeling used to prevent or control pain. Nerve blocks can be surgical or nonsurgical. Nonsurgical nerve blocks ...

Your greater occipital nerve is responsible for most of the feeling in the back and top of your head. Irritation or inflammation of this nerve can cause headaches. People with occipital nerve ...

Medically reviewed by Nicholas R. Metrus, MDMedically reviewed by Nicholas R. Metrus, MD A nerve block for migraine headaches involves an injection of a local anesthetic into the base of the skull or ...

Can a new liposomal bupivacaine product provide long-lasting nerve block with a single injection? An initial study in humans shows promise — but also some "confusing results." Can a new liposomal ...

A nerve block works by preventing pain signals from reaching the brain. There are permanent and temporary options. Both are generally safe procedures. Nerve blocks are an effective way to prevent, ...