AUTHOR=Ibrahim Asmaa , Yusuff Kazeem , Awaisu Ahmed , Elewa Hazem TITLE=Association between CYP2C19 polymorphism and proton pump inhibitors adverse drug reactions: a narrative review JOURNAL=Frontiers in Pharmacology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1523399 DOI=10.3389/fphar.2025.1523399 ISSN=1663-9812