PROBLEM TO BE SOLVED: To provide a highly safe composition for preventing or ameliorating a wound, a scald, chaps, and/or hemorrhoid.SOLUTION: The composition contains an N-acyl tryptamine represented by formula (I) (where, R is a 2-29C saturated aliphatic hydrocarbon group), or a pharmaceutically acceptable salt, a hydrate or a solvate thereof, the composition is for preventing and/or ameliorating a wound, a scald, chaps, and/or hemorrhoid.COPYRIGHT: (C)2014,JPO&INPIT【課題】安全性の高い創傷、火傷、ひび割れ及び/又は痔の予防又は改善用組成物を提供する。【解決手段】次式(I):【化1】(式中、Rは炭素数2~29の飽和脂肪族炭化水素基を表す。)で示されるN-アシルトリプタミン、又はその薬学的に許容される塩、水和物もしくは溶媒和物を含有する創傷、火傷、ひび割れ及び/又は痔の予防及び/又は改善用組成物。【選択図】なし