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 ...

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 ...

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, ...