<qa>  What is the injection used after pretreatment with fentanyl citrate?The outpatient setting has become increasingly popular for various types of medical procedures requiring sedation. In outpatient minor surgical procedures, sedation agents are used to provide mild-to-moderate sedation and are used with other medicines for pain management. Surgeons have searched for alternative treatments to use in the outpatient setting that would provide a faster recovery time with minimal post-procedure amnesia. This injection is used following pretreatment with fentanyl citrate for pain management. 