The H2 receptor antagonist market had fluctuated with the ban of the ranitidine ingredient in antiulcer drugs. The gap made by the exit of ranitidine initially shrunk the market into nearly half its size. Famotidine enjoyed the most reflective benefits with its market size increasing nearly threefold after the ranitidine impurity issue. Also, nizatidine, which also experienced an impurity issue, recently showed strong growth.

According to the market research institution UBIST on the 8th, outpatient prescriptions of H2 receptor antagonists last year recorded ₩151.8 billion, an 11.2% increase from the previous year. This is the first time in 3 years the market showed year-on-year (YoY) growth. H2 recep