New research presented at this year's European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) taking place online (9-12 July), suggests that three commonly prescribed classes of drugs that are not themselves antibiotics--proton pump inhibitors (PPIs), beta-blockers and antimetabolites--could lead to antibiotic resistant infections caused by bacteria from the Enterobacteriaceae family. These antibiotic resistant infections are in turn linked to longer hospital stays and potentially greater risk of death.

The observational study underscores the importance of commonly used non-antimicrobial drugs (NAMDs) as a risk factor for antibiotic resistance, researchers say.

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