The present invention relates to a bioadhesive gel pharmaceutical composition comprising a local anesthetic in one or more suitable base forms for topical administration. The composition has an anisotropic organic phase behavior that allows the swelling at the site of administration, including excess water. None [Selection Figure]本発明は、局所投与に好適な塩基形態で1種以上の局所麻酔薬を含む生体接着性ゲル化医薬組成物に関する。この組成物は、過剰な水分を含む投与部位での膨潤を可能にする異方性有機相挙動を有する。【選択図】なし