Anesthesia is a type of medication that prevents people from feeling pain during or following surgery. There are four main categories of anesthesia: local, regional, general, and sedation. Share on ...

Doctors use general anesthesia during surgery to ensure a person is unconscious and cannot feel pain. Under general anesthesia, people are unable to feel pain (analgesic) and will be unconscious.

Around 10 to 30 percent of people have anxiety and concerns about pain with dental procedures. Anxiety can delay getting treatment and that can make the problem worse. Anesthetics have been around for ...