Analysis of unnecessary GI medicine use
Among 1,546 patients who were taking unnecessary GI drugs, three-quarters (74.15%) were prescribed antiulcer drugs, and a quarter (25.85%) were prescribed GI tract regulators. As shown in Fig. 2, the antiulcer drugs most used were mucosal protectives (i.e., rebamipide, 56.21%), followed by H2-receptor blockers (20.71%), antacids (18.18%), and PPIs (4.90%). Among GI tract regulators, GI tract stimulants such as mosapride accounted for 85.71%, followed by anticholinergics (13.38%), and others (0.91%).