{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T01:30:46Z","timestamp":1788571846767,"version":"build-2803163510"},"reference-count":93,"publisher":"MDPI AG","issue":"20","license":[{"start":{"date-parts":[[2021,10,15]],"date-time":"2021-10-15T00:00:00Z","timestamp":1634256000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Paracetamol is commonly used to treat fever and pain in pregnant women, but there are growing concerns that this may cause attention deficit hyperactivity disorder and autism spectrum disorder in the offspring. A growing number of epidemiological studies suggests that relative risks for these disorders increase by an average of about 25% following intrauterine paracetamol exposure. The data analyzed point to a dose\u2013effect relationship but cannot fully account for unmeasured confounders, notably indication and genetic transmission. Only few experimental investigations have addressed this issue. Altered behavior has been demonstrated in offspring of paracetamol-gavaged pregnant rats, and paracetamol given at or prior to day 10 of life to newborn mice resulted in altered locomotor activity in response to a novel home environment in adulthood and blunted the analgesic effect of paracetamol given to adult animals. The molecular mechanisms that might mediate these effects are unknown. Paracetamol has diverse pharmacologic actions. It reduces prostaglandin formation via competitive inhibition of the peroxidase moiety of prostaglandin H2 synthase, while its metabolite N-arachidonoyl-phenolamine activates transient vanilloid-subtype 1 receptors and interferes with cannabinoid receptor signaling. The metabolite N-acetyl-p-benzo-quinone-imine, which is pivotal for liver damage after overdosing, exerts oxidative stress and depletes glutathione in the brain already at dosages below the hepatic toxicity threshold. Given the widespread use of paracetamol during pregnancy and the lack of safe alternatives, its impact on the developing brain deserves further investigation.<\/jats:p>","DOI":"10.3390\/ijms222011156","type":"journal-article","created":{"date-parts":[[2021,10,17]],"date-time":"2021-10-17T23:05:47Z","timestamp":1634511947000},"page":"11156","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["Paracetamol (Acetaminophen) and the Developing Brain"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9950-414X","authenticated-orcid":false,"given":"Christoph","family":"B\u00fchrer","sequence":"first","affiliation":[{"name":"Department of Neonatology, Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin, 13344 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4030-7969","authenticated-orcid":false,"given":"Stefanie","family":"Endesfelder","sequence":"additional","affiliation":[{"name":"Department of Neonatology, Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin, 13344 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9465-7200","authenticated-orcid":false,"given":"Till","family":"Scheuer","sequence":"additional","affiliation":[{"name":"Department of Neonatology, Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin, 13344 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Schmitz","sequence":"additional","affiliation":[{"name":"Department of Neonatology, Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin, 13344 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,10,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1111\/ppe.12595","article-title":"Acetaminophen use in pregnancy: Examining prevalence, timing, and indication of use in a prospective birth cohort","volume":"34","author":"Bandoli","year":"2019","journal-title":"Paediatr. 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