Preventive or remedy for teeth grinding

摘要

The present invention provides a preventive or therapeutic agent for bruxism or bruxism-related diseases that contains as an active ingredient at least one selected from the group consisting of proton pump inhibitors, histamine H 2 receptor antagonists, and acid pump antagonists. Examples of the proton pump inhibitors include rabeprazole, omeprazole, esomeprazole, lansoprazole, pantoprazole, or tenatoprazole, or salts thereof, or hydrates thereof.