Gudbrandsdottir, Ragna KristinSigurðsson, EngilbertIngimarsson, Oddur2025-11-202025-11-202023-07-01Gudbrandsdottir, R K, Sigurðsson, E & Ingimarsson, O 2023, 'Geðrof í kjölfar ADHD-lyfjameðferðar : Sjúkratilfelli', Læknablaðið, vol. 109, no. 7-8, pp. 346-349. https://doi.org/10.17992/lbl.2023.0708.7531670-4959168615526f7028fc2-17c0-4610-8896-40509ac36c8a8516365136437378652https://hdl.handle.net/20.500.11815/7293Publisher Copyright: © 2023 Laeknafelag Islands. All rights reserved.In view of the ongoing rise of ADHD prescriptions among adults in Iceland, it is important that doctors are aware that psychosis is a rare but at times a serious adverse reaction to such treatment. In 2022 5% of adults were prescribed medication to treat ADHD in Iceland. In this case report we present a case of methylphenidate-induced psychosis in a young man with no previous history of psychotic episodes who required admission to the psychiatric intensive care unit.4657878346-349isinfo:eu-repo/semantics/openAccessADHDmethylphenidatepsychosisADHDmethylphenidatepsychosisYoung AdultCentral Nervous System Stimulants/adverse effectsHumansMethylphenidate/adverse effectsMalePsychotic Disorders/diagnosisIceland/epidemiologyAttention Deficit Disorder with Hyperactivity/diagnosisGeneral Medicine/dk/atira/pure/researchoutput/researchoutputtypes/contributiontojournal/article10.17992/lbl.2023.0708.753