Evidence map›Paper›PMID 41396380›Full record

ArticleForensic toxicology2026

Toxicological findings in suspected drugging incidents in Denmark from 2022 - 2024.

Charlotte Uggerhøj Andersen, Sys Stybe Johansen, Karen Rygaard, Simon Kjær Hermansen, Brian Schou Rasmussen, Jørgen Bo Hasselstrøm

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Article in Forensic toxicology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Charlotte Uggerhøj AndersenDepartment of Forensic Medicine, Aarhus University, Aarhus, Denmark. cua@forens.au.dk.ORCID 0000-0003-0543-6519
Sys Stybe JohansenDepartment of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
Karen RygaardDepartment of Forensic Medicine, University of Southern Denmark, Odense, Denmark.
Simon Kjær HermansenDepartment of Forensic Medicine, University of Southern Denmark, Odense, Denmark.
Brian Schou RasmussenDepartment of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
Jørgen Bo HasselstrømDepartment of Forensic Medicine, Aarhus University, Aarhus, Denmark.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeSuspicions of drugging – the covert administration of psychoactive substances – have been increasing in Denmark. Our aim was to identify risk factors and characterize the substances detected in suspected drugging incidents.

methodsWe reviewed toxicological results and police-provided information for all subjects referred for forensic toxicological examination in Denmark between April 2022 and June 2024 due to suspected drugging.

resultsThree-hundred-and-seventy-three subjects were examined, of which 280 (75%) were female. Median [interquartile range] age was 23 [19–29] years. Median time from suspected incident to blood sampling was reported in 223 subjects, and was 18 [11–29] hours. We detected psychoactive drugs in 244 subjects (65%); most frequently ethanol (n = 179, 48%). In samples taken within 12 h, the median blood and urine alcohol concentration was 1.0 [0.5–1.5] ‰ (n = 58) and 1.7 [1.0-2.2] ‰ (n = 50), respectively. Central stimulants, antidepressants, and cannabis were present in 43 (11%), 34 (9%), and 25 (7%) subjects, respectively. Self-intake was reported for 82 subjects (22%). Among these, psychoactive drugs other than ethanol, which were not reported as self-intake, were detected in 20 (24%), most frequently central stimulants, antidepressants, and cannabis. However, in eight (10%), benzodiazepines, opioids, or sedating antihistamines not explained by self-intake were detected. Blackout was the most frequently reported symptom, noted by 45 (61%) out of 74 subjects, for whom symptom data were available.

conclusionsRisk factors for experiencing suspected drugging included young age, female sex, and exposure to alcohol, antidepressants and/or central stimulants. The detected drugs mostly reflected frequently used drugs in society.

Indexed as

Psychotropic DrugsSubstance Abuse DetectionSubstance-Related DisordersAdultAntidepressive AgentsBlood Alcohol ContentDenmarkEthanolFemaleForensic ToxicologyHumansIllicit DrugsMaleRisk FactorsYoung AdultAntidepressive AgentsBlood Alcohol ContentEthanolIllicit DrugsPsychotropic DrugsAlcoholBlood/urineDrink spikingIllegal drugsIntoxicationPharmaceuticals

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.