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|1. (WO2018164121) ACIDIC EMULSION COMPOSITION CONTAINING LOCAL ANESTHETIC AGENT|
|Applicants:||MARUISHI PHARMACEUTICAL CO., LTD.
|Title:||ACIDIC EMULSION COMPOSITION CONTAINING LOCAL ANESTHETIC AGENT|
The purpose of the present invention is to provide a local anesthetic agent-containing composition that is (1) fast-acting after administration without being made to be sustained release and that has a lasting drug efficacy, and/or that has (2) good storage stability. Provided is an acidic emulsion composition containing a local anesthetic agent and a glyceride in which a fatty acid having 6 to 12 carbon atoms is ester bonded to a glycerin.