Case ReportPublished 18 August 2026Case Report: First report of vonoprazan-associated severe Gly m 4–mediated PFAS anaphylaxis in the era of potent acid suppressionMakoto Nojo · Shintaro Suzuki · Tomoki Uno · Nao Sato · Sae Kawafune · Reira Masuda · Takaya Ebato · Tomohiro Matsunaga · Yoshitaka Uchida · Hironori Sagara · Akihiko TanakaFrontiers in Allergydoi 10.3389/falgy.2026.1893499