PROBLEM TO BE SOLVED: To provide a therapeutic agent for disease accompanied by epileptic waves that is easy to handle, has few side effects, and is immediate-acting.SOLUTION: By controlling the carbon dioxide concentration of inhaled air, it is possible to alter the pH of body fluids to the acidic side and alleviate epileptic waves. Carbon dioxide is the active ingredient of the therapeutic agent for disease accompanied by epileptic waves.COPYRIGHT: (C)2016,JPO&INPIT【課題】てんかん波に伴う疾患治療剤として、取り扱いが容易で副作用が低く、かつ即効性のある治療剤を提供する。【解決手段】吸気の二酸化炭素濃度を制御することにより、体液中のpHを酸性側に変動させ、てんかん波を軽減しうる。二酸化炭素を有効成分とする疾患治療剤による。【選択図】図5