{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,20]],"date-time":"2026-03-20T04:05:09Z","timestamp":1773979509696,"version":"3.50.1"},"reference-count":13,"publisher":"American Academy of Pediatrics (AAP)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2011,4,1]]},"abstract":"<jats:p>We describe the case of a patient with massive acetaminophen-diphenhydramine overdose and a 4-hour serum acetaminophen concentration of 653 \u03bcg\/mL. The patient was treated with acetylcysteine 5 hours after ingestion. Because of a persistently elevated serum acetaminophen level of 413 \u03bcg\/mL 45 hours after ingestion, a medical toxicologist recommended that the patient be treated with a second bolus of acetylcysteine (150 mg\/kg followed by 12.5 mg\/kg per hour for 4 hours, then 6.25 mg\/kg per hour). On hospital day 3, she developed hepatic failure despite early treatment. Her transaminase levels and hepatic synthetic function began to improve on hospital day 6, and acetylcysteine was discontinued on hospital day 10. In cases of massive acetaminophen overdose, standard acetylcysteine dosing may not be adequate. We suggest that elevated serum acetaminophen concentrations at the end of a standard 20-hour acetylcysteine infusion should be discussed with the local poison center.<\/jats:p>","DOI":"10.1542\/peds.2010-2521","type":"journal-article","created":{"date-parts":[[2011,3,15]],"date-time":"2011-03-15T19:49:31Z","timestamp":1300218571000},"page":"e1077-e1080","source":"Crossref","is-referenced-by-count":22,"title":["Hepatic Failure Despite Early Acetylcysteine Following Large Acetaminophen-Diphenhydramine Overdose"],"prefix":"10.1542","volume":"127","author":[{"given":"George S.","family":"Wang","sequence":"first","affiliation":[{"name":"Section of Emergency Medicine and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew","family":"Monte","sequence":"additional","affiliation":[{"name":"Denver Health and Hospitals, Rocky Mountain Poison and Drug Center, Denver, Colorado; and"},{"name":"Department of Emergency Medicine, University of Colorado School of Medicine, Denver, Colorado"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dayanand","family":"Bagdure","sequence":"additional","affiliation":[{"name":"Department of Pediatric Pulmonology, Children's Hospital, University of Colorado, Denver, Colorado;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kennon","family":"Heard","sequence":"additional","affiliation":[{"name":"Denver Health and Hospitals, Rocky Mountain Poison and Drug Center, Denver, Colorado; and"},{"name":"Department of Emergency Medicine, University of Colorado School of Medicine, Denver, Colorado"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"417","published-online":{"date-parts":[[2011,4,1]]},"reference":[{"issue":"24","key":"2021121007041789100_B1","doi-asserted-by":"crossref","first-page":"1557","DOI":"10.1056\/NEJM198812153192401","article-title":"Efficacy of oral N-acetylcysteine in the treatment of acetaminophen overdose: analysis of the national multicenter study (1976 to 1985)","volume":"319","author":"Smilkstein","year":"1988","journal-title":"N Engl J Med"},{"issue":"1215\u20131216","key":"2021121007041789100_B2","first-page":"70","article-title":"Acetylcysteine (Acetadote) for acetaminophen overdosage","volume":"47","year":"2005","journal-title":"Med Lett Drugs Ther"},{"issue":"3","key":"2021121007041789100_B3","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1016\/S0735-6757(99)90138-9","article-title":"Delayed increase in acetaminophen concentration after Tylenol PM overdose","volume":"17","author":"Ho","year":"1999","journal-title":"Am J Emerg Med"},{"issue":"3","key":"2021121007041789100_B4","doi-asserted-by":"crossref","first-page":"337","DOI":"10.1007\/s13181-010-0083-9","article-title":"Bactrian (\u201cdouble hump\u201d) acetaminophen pharmacokinetics: a case series and review of the literature","volume":"6","author":"Hendrickson","year":"2010","journal-title":"J Med Toxicol"},{"issue":"1","key":"2021121007041789100_B5","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1016\/S0022-3565(25)29663-X","article-title":"Acetaminophen-induced hepatic necrosis: I. 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