Pharmaceutical composition comprising: (a) 0.1 to 20% ropivacaine, bupivacaine or levobupivacaine, (b) 15 to 70% by weight of a Long Chain Fatty Acid Monoglyceride or mixtures thereof,(c) 5 to 60% of Free fatty acid and long chain saturated or established d) less than 30% Water； use to reduce pain.
Aqueous Pharmaceutical composition, Gelling, bioadhesive and stabilized, which comprises at least a local anesthetic, (b) 15 to 70% by weight of a Monoglyceride and diglyceride, or mixtures thereof,A Long Chain Fatty Acid, and (c) 5 to 60% by weight of a saturated or unsaturated free fatty acids of long chain and its preparation method.<；p>；Composició；n farmacé；utica acuosa, gelificante, bioadhesiva y estabilizada que comprende A) Al menos un anesté；sico local, b) 15 a 70 % en peso de un monoglicé；rido o un diglicé；rido, o sus mezclas, de un á；cido graso de cadena larga, y C) 5 a 60 % en peso de un á；cido graso libre saturado o insaturado de cadena larga； y su mé；todo de preparació；n.<；/p>；
