{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T07:11:27Z","timestamp":1791357087040,"version":"4.3.1"},"reference-count":32,"publisher":"American Medical Association (AMA)","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA Netw Open"],"abstract":"Importance<\/jats:title>Although a viral etiology can be detected in most cases of pediatric pneumonia, antibiotic treatment is common. The effectiveness of antibiotics in the outpatient setting for children diagnosed with pneumonia is not known.<\/jats:p><\/jats:sec>Objective<\/jats:title>To compare outcomes among children diagnosed with pneumonia who were and were not treated with oral antibiotics.<\/jats:p><\/jats:sec>Design, Setting, and Participants<\/jats:title>This retrospective cohort study identified Medicaid-insured children and adolescents 17 years or younger diagnosed with pneumonia and discharged from ambulatory settings in a multistate claims database from January 1, 2017, to December 31, 2019. Propensity score matching was used to mitigate confounding. Data were analyzed from August 31, 2023, to August 16, 2024.<\/jats:p><\/jats:sec>Exposures<\/jats:title>Antibiotic receipt, defined as an oral antibiotic dispensed from a pharmacy on the day of the index visit or on the subsequent day. Children who did not receive antibiotics included those who were not prescribed antibiotics and those who were prescribed antibiotics but did not fill the prescription.<\/jats:p><\/jats:sec>Main Outcomes and Measures<\/jats:title>Treatment failure and severe outcomes within 2 to 14 days after the index visit. Treatment failure included hospitalization or ambulatory revisits for pneumonia, new antibiotic dispensation with a same-day ambulatory visit, or complicated pneumonia. Severe outcomes included hospitalization for pneumonia or complicated pneumonia.<\/jats:p><\/jats:sec>Results<\/jats:title>Among the 103\u202f854 children with pneumonia included in the analysis, the median age was 5 (IQR, 2-9) years, and 54 665 (52.6%) were male. Overall, 20 435 children (19.7%) did not receive an antibiotic within 1 day. The propensity score\u2013matched analysis included 40\u202f454 children (20\u202f227 per group). Treatment failure occurred in 2167 children (10.7%) who did not receive antibiotics and 1766 (8.7%) who received antibiotics (risk difference, 1.98 [95% CI, 1.41-2.56] percentage points). Severe outcomes occurred in 234 of 20 435 children (1.1%) who did not receive antibiotics and in 133 of 83 419 (0.7%) who did (risk difference, 0.46 [95% CI, 0.28-0.64] percentage points).<\/jats:p><\/jats:sec>Conclusions and Relevance<\/jats:title>In this cohort study of children diagnosed with pneumonia in ambulatory settings, almost 20% did not receive antibiotics within a day of diagnosis. Although not receiving antibiotics was associated with a small increase in the risk of treatment failure, severe outcomes were uncommon regardless of whether antibiotics were received. These results suggest that some children diagnosed with pneumonia can likely be managed without antibiotics and highlight the need for prospective studies to identify these children.<\/jats:p><\/jats:sec>","DOI":"10.1001\/jamanetworkopen.2024.41821","type":"journal-article","created":{"date-parts":[[2024,10,29]],"date-time":"2024-10-29T15:30:42Z","timestamp":1730215842000},"page":"e2441821","source":"Crossref","is-referenced-by-count":7,"title":["Outpatient Antibiotic Use and Treatment Failure Among Children With Pneumonia"],"prefix":"10.1001","volume":"7","author":[{"given":"Daniel J.","family":"Shapiro","sequence":"first","affiliation":[{"name":"Division of Pediatric Emergency Medicine, University of California, San Francisco"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matt","family":"Hall","sequence":"additional","affiliation":[{"name":"Children\u2019s Hospital Association, Lenexa, Kansas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mark I.","family":"Neuman","sequence":"additional","affiliation":[{"name":"Division of Emergency Medicine, Boston Children\u2019s Hospital, Boston, Massachusetts"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adam L.","family":"Hersh","sequence":"additional","affiliation":[{"name":"Division of Pediatric Infectious Diseases, University of Utah, Salt Lake City"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jillian M.","family":"Cotter","sequence":"additional","affiliation":[{"name":"Section of Hospital Medicine, University of Colorado and Children\u2019s Hospital Colorado, Aurora"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathan D.","family":"Cogen","sequence":"additional","affiliation":[{"name":"Division of Pulmonary Medicine and Sleep Medicine, Seattle Children\u2019s Hospital, Seattle, Washington"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas V.","family":"Brogan","sequence":"additional","affiliation":[{"name":"Division of Critical Care Medicine, Seattle Children\u2019s Hospital, Seattle, Washington"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lilliam","family":"Ambroggio","sequence":"additional","affiliation":[{"name":"Section of Emergency Medicine, Children\u2019s Hospital Colorado, Aurora"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anne J.","family":"Blaschke","sequence":"additional","affiliation":[{"name":"Division of Pediatric Infectious Diseases, University of Utah, Salt Lake City"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susan C.","family":"Lipsett","sequence":"additional","affiliation":[{"name":"Division of Emergency Medicine, Boston Children\u2019s Hospital, Boston, Massachusetts"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeffrey S.","family":"Gerber","sequence":"additional","affiliation":[{"name":"Division of Infectious Diseases, Children\u2019s Hospital of Philadelphia, Philadelphia, Pennsylvania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Todd A.","family":"Florin","sequence":"additional","affiliation":[{"name":"Division of Emergency Medicine, Ann & Robert H. 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