| abstract |
An agent for preventing and treating disturbances of intestinal mucous membrane, comprising, as the active ingredient, a carbostyril derivative represented by general formula (I) (wherein, R is a halogen atom; the substituent on the carbostyril skeleton is at the 3- or 4-position of the carbostyril skeleton; and the bond between the 3- and 4- positions of the carbostyril skeleton is a single bond or a double bond) or a salt thereof. |