A local solid-forming anesthetic formulation comprising: a local anesthetic comprising lidocaine, tetracaine, prilocaine, ropivacaine or bupivacaine or mixtures thereof, in which the total amount of local anesthesia is 4% by weight to 15% by weight. weight based on the total formulation, from 12% by weight to 30% by weight of polyvinyl alcohol and water characterized in that the ratio of water to polyvinyl alcohol is greater than 2.5.Una formulación anestésica local formadora de sólidos que comprende: una anestesia local que comprende lidocaína, tetracaína, prilocaína, ropivacaína o bupivacaína o mezclas de los mismos, en la que la cantidad total de la anestesia local es del 4 % en peso al 15 % en peso en base a la formulación total, del 12 % en peso al 30 % en peso de alcohol de polivinilo y agua caracterizada porque la relación de agua respecto a alcohol de polivinilo es superior a 2,5.
