| abstract |
(57) [Summary] [Objective] To provide a local anesthetic composition having both rapid-acting and long-acting properties. [Configuration] oil or the dissolved or dispersed basic local anesthetic to lipophilic groups agent miscible, made by mixing the hydrochloride salt of the dissolved or dispersed basic local anesthetic in a solvent basic local anesthetic A local anesthetic composition containing homogeneously and stably its hydrochloride. [Effects] The composition of the present invention exhibits a local anesthetic action rapidly and continuously, and is stable, and has a wound surface on the skin such as cuts, abrasions, scratches, acne, acne, and bruise, and hemorrhoids. It can be used as an external preparation for reducing local pain and itching due to local and toothache on the skin or mucous membranes such as diseases, rashes, sores, rashes, urticaria, insect bites, athlete's foot, snails and the like. |