Subject of the present invention is a diluted anesthetic solution, to be used cold, comprising the association of two different local anesthetics, one with a short duration of action and the other with a long duration of action and optionally in association with one or more adjuvant drugs having antibiotic, antifibrinolytic or antitumor action. With this association it is possible to prolong up to 150 m' duration of action in addition to offering better management of perioperative problems both as a request for analgesic drugs for post-operative pain, but also as a support to alleviate and reduce complications in some way connected to certain surgical procedures. The invention concerns also specific packaging with specific formulations, such as to make the immediate use of the mixture itself possible for different interventions.
