anesthetic

/ˌænəsˈθɛdɪk/

noun

A substance that induces insensitivity to pain.

Supplements that have the potential to cause major complications in perioperative patients are those that prolong bleeding and those that increase sedative effects of anesthetics and analgesics.

narcotic,soporific,stupefacient,painkiller,sedative,anodyne,analgesic,opiate

adjective

Inducing or relating to insensitivity to pain.

anesthetic drugs and gases

narcotic,numbing,deadening,dulling,soporific,stupefacient,painkilling,sedative,analgesic,anodyne,opiate