The present invention relates to a new association of active ingredients working as anesthetic and pre-anesthetic formulated in a composition containing anesthetics and analgesics suitable for use in surgical and pre-surgical procedures and others which require sedation, tranquilization, chemical restraint and pre-anesthetic medication. More specifically the present invention relates to a new association comprising the active ingredients ketamine, preferably the isomer S-ketamine(+), midazolam and tramadol, formulated in true solution for parenteral use. The present invention also contemplates an anesthetic drug for veterinary use for parenteral use.
