The significant upside of antibiotic allergy testing in patients with Helicobacter pylori

H. pylori is an infectious agent associated with the development of multiple gastrointestinal pathologies. In addition to predisposing the host to peptic ulcers, H. pylori can cause chronic inflammation leading to an otherwise rare lymphoma called mucosa-associated lymphoid tissue (MALT) lymphoma.1,2 Much of the morbidity and mortality of H. pylori is due to its ubiquity - the infection has an estimated prevalence of 30-40% in the US.3 Approximately 10% of patients with H. pylori develop peptic ulcers, and H.