What is an 'anesthetic'?

What is an 'anesthetic'?

Samuel Seelig (Anesthesiologist, Los Angeles, California) gives expert video advice on: What is an 'anesthesiologist'?; What happens immediately after surgery? and more...

An anesthetic agent can be a local anesthetic, an inhalational anesthetic, a potent gas, or an intravenous anesthetic, that substance which creates analgesia, or lack of pain.