Common antibiotic linked to possible higher death risk. Cefepime is widely used to treat serious bacterial infections and febrile neutropenia https://medicalxpress.com/news/2026-09-common-antibiotic-linked-higher-death.html Cefepime and Mortality: A Systematic Review and Bayesian Meta-Analysis https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2853883