You searched for: “anaesthetics
anaesthetic, anesthetic (s) (noun); anaesthetics, anesthetics (pl)
1. A drug or an agent that is capable of producing a complete or partial insensibility or loss of bodily sensations or feelings: Depending on the type of action, an anesthetic is subdivided into general and local applications.

There are anesthetics consisting of various drugs that can cause loss of feelings; such as, procaine or ether.

2. A medication that is administered locally or generally and produces a loss of sensation or awareness: When Angie had her appendix removed, she was given a general anesthetic.

Egotism is an internally-generated anesthetic which enables a conceited person to live painlessly with himself.