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Updated: Jun 17, 2025
Author Spotlight: Detection and Treatment of Helicobacter pylori Infection
Published on: July 28, 2023
Anti-Helicobacter pylori Infection Treatment and Pulmonary Hypersensitivity: Case Series and Review of the Literature
Shan Xu1,2, Xiaohong Wu1,2, Enguo Chen1,2
1Respiratory and Critical Care Medicine, Regional Medical Center for National Institute of Respiratory Disease, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University.
Background:
Helicobacter pylori (H. pylori) infection is currently widespread throughout the world. Bismuth-containing quadruple therapy is widely used, but it has rarely been associated with interstitial lung disease.
Case Presentation:
We described six cases with similar clinical symptoms and typical pulmonary interstitial imaging changes during anti-H. pylori therapy, usually on Days 7-12 following treatment. Anti-H. pylori infection treatment was discontinued when it was suspected to be the cause of the clinical symptoms, and all of the patients accepted observation therapy. All of them had a favorable outcome, the clinical symptoms returned to normal almost 1 week later, and the chest computed tomography (CT) scan images showed remarkable absorption 4 weeks later.
Conclusions:
Drug interactions could be the cause, and the most likely drug was furazolidone. All of the patients recovered quickly after drug discontinuation, and low-dose steroid may help shorten the recovery time.
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