(WHTM) — I recently underwent a procedure requiring me to have local anesthesia placed in the area where the doctor was working. I felt nothing and it was wonderful not worrying about pain while the ...

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 ...

All current local anesthetics block sensory signals—pain—but they also interrupt motor signals, which can be problematic. For example, too much epidural anesthesia can prevent mothers in labor from ...