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The patient improved within the next 24\u2009hours; his level of consciousness improved and the anticholinergic features regressed.<\/jats:p>","DOI":"10.1136\/bcr-2018-226836","type":"journal-article","created":{"date-parts":[[2019,3,21]],"date-time":"2019-03-21T05:16:49Z","timestamp":1553145409000},"page":"e226836","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":8,"title":["Donepezil: an unusual therapy for acute diphenhydramine overdose"],"prefix":"10.1136","volume":"12","author":[{"given":"Jamia","family":"Ahmad","sequence":"first","affiliation":[{"name":"Intensive Care Unit, Square Hospitals Ltd., Dhaka, Bangladesh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Md Jahidul","family":"Hasan","sequence":"additional","affiliation":[{"name":"Department of Pharmacy, Square Hospitals Ltd., Dhaka, Bangladesh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9673-9704","authenticated-orcid":false,"given":"Ahmad Mursel","family":"Anam","sequence":"additional","affiliation":[{"name":"Intensive Care Unit, Square Hospitals Ltd., Dhaka, Bangladesh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dipesh Kumar","family":"Barua","sequence":"additional","affiliation":[{"name":"Intensive Care Unit, Square Hospitals Ltd., Dhaka, Bangladesh"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2019,3,20]]},"reference":[{"key":"2025082623073622000_12.3.e226836.1","doi-asserted-by":"publisher","DOI":"10.1378\/chest.10-2548"},{"key":"2025082623073622000_12.3.e226836.2","first-page":"77","article-title":"Diphenhydramine overdose related delirium: a case report","volume":"17","author":"Mp","year":"2006","journal-title":"J Emerg Crit Care Med"},{"key":"2025082623073622000_12.3.e226836.3","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajem.2004.06.001"},{"key":"2025082623073622000_12.3.e226836.4","first-page":"1200","article-title":"Pharmacology and therapeutic use of antihistamines","volume":"33","author":"Cirillo","year":"1977","journal-title":"Am J Hosp Pharm"},{"key":"2025082623073622000_12.3.e226836.5","doi-asserted-by":"publisher","DOI":"10.1038\/nrneurol.2009.24"},{"key":"2025082623073622000_12.3.e226836.6","unstructured":"Weisman R , Tomassoni A . et al Antihistamines and decongestants. 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