|Out of Universe information|
|First appearance||"The Enemy Within"|
An anesthetic is a drug used to temporarely locally or completely send to sleep a subject in order to proceed a surgical intervention without any pain.
Doctor Warner experiments some anesthetics on Teal'c's symbiote in order to prepare the extraction of the symbiote within Charles Kawalsky's body. During the extraction operation, he starts to inject the anesthetic in both the symbiote and the host.