PROBLEM TO BE SOLVED: To provide a gel base of preparation for external use for treating a skin ulcer which suppresses the malodor of a skin ulcer site, which is excellent in consistency, malleability, stability, drug permeability, shape retaining property, which can be easily prepared, has good using feeling, and can be peeled from an affected site.SOLUTION: The gel base of preparation for external use for treating a skin ulcer contains cellulose ether hydrophobized and modified with 6-26C alkyl groups.COPYRIGHT: (C)2012,JPO&INPIT【課題】皮膚潰瘍部の悪臭を抑制し、稠度、展延性、安定性、薬物浸透性、保形性に優れ、調製が容易で使用感がよく、患部から容易に剥離することができるという優れた特性を有する皮膚潰瘍処置用ゲル状外用剤のゲル状基剤を提供する。【解決手段】炭素数6~26のアルキル基で疎水化変性されたセルロースエーテルを含有する、皮膚潰瘍処置用ゲル状外用剤【選択図】なし
