The recreational use of ketamine has risen significantly in the Netherlands, particularly among young adults in nightlife settings. This trend has been accompanied by an increase in first aid incidents involving ketamine, often in combination with other substances such as alcohol or MDMA, leading to heightened toxicity. Acute intoxication with ketamine manifests through symptoms like agitation, hallucinations, nausea, tachycardia, and hypertension, while frequent use is associated with long-term complications, including ketamine-induced uropathy. Although ketamine is not currently included in standard toxicological screenings, its detection can aid in diagnosing mixed intoxications, excluding alternative causes, and facilitating referral to follow-up care. Routine inclusion of ketamine in toxicological screening could improve diagnostic precision and better address the health risks associated with its growing prevalence.
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http://dx.doi.org/10.1016/j.toxrep.2025.101940 | DOI Listing |
Cureus
February 2025
Emergency Medicine, Memorial Healthcare System, Hollywood, USA.
Medical and recreational ketamine use is increasing in the United States; however, little is known regarding the side effects associated with chronic, frequent, and high-dose use. The lack of emergency physician awareness regarding ketamine-induced abdominal pain, nausea, vomiting, and dysuria, collectively and colloquially known as K-cramps, results in delayed recognition, underreporting, and inappropriate diagnostic workup and treatment. A 25-year-old woman with a history of anxiety, asthma, obsessive-compulsive disorder, and chronic high-dose (500-1000 milligrams weekly) ketamine use presented to the emergency department with severe abdominal pain in the right upper quadrant, epigastric, and suprapubic regions, along with nausea, vomiting, and dysuria.
View Article and Find Full Text PDFFront Pharmacol
February 2025
Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, Jilin, China.
The recreational abuse of addictive drugs poses considerable challenges to public health, leading to widespread neurotoxicity and neurological dysfunction. This review comprehensively examines the neurotoxic mechanisms, clinical manifestations, and treatment strategies associated with six commonly abused substances: methamphetamine, cocaine, synthetic cathinones, ketamine, nitrous oxide and heroin. Despite their diverse pharmacological properties, these drugs converge on shared neurotoxic pathways, including oxidative stress, mitochondrial dysfunction, excitotoxicity, and neuroinflammation.
View Article and Find Full Text PDFToxicology
May 2025
West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China. Electronic address:
In recent years, the abuse of ketamine as a recreational drug has been growing, and has become one of the most widely abused drugs. Continuous using ketamine poses a risk of drug addiction and complications such as attention deficit disorder, memory loss and cognitive decline. Ketamine-induced neurotoxicity is thought to play a key role in the development of these neurological complications.
View Article and Find Full Text PDFToxicol Rep
June 2025
Department of Clinical Pharmacy, OLVG hospital, Amsterdam, the Netherlands.
The recreational use of ketamine has risen significantly in the Netherlands, particularly among young adults in nightlife settings. This trend has been accompanied by an increase in first aid incidents involving ketamine, often in combination with other substances such as alcohol or MDMA, leading to heightened toxicity. Acute intoxication with ketamine manifests through symptoms like agitation, hallucinations, nausea, tachycardia, and hypertension, while frequent use is associated with long-term complications, including ketamine-induced uropathy.
View Article and Find Full Text PDFInt Rev Psychiatry
December 2024
Baylor College of Medicine - Department of Psychiatry and Behavioral Sciences, Houston, TX, USA.
Dissociative therapies are being increasingly explored for their psychiatric applications, although questions remain about how they work and how best to use them. In exploring these questions, this review highlights six key areas of clinical relevance: (1) The possible contributions of functional unblinding when interpreting efficacy data; (2) The degree to which the therapeutic effects of dissociative therapies can be distinguished from the transient forms of relief seen with recreational drug use; (3) Understanding the construct of dissociation as it is tasked with describing the function of dissociative drugs; (4) The investigation of subjective drug effects as predictors of therapeutic outcome; (5) Similarities and differences in the effects of dissociative and classic psychedelics; and (6) The anticipated need for judicious prescribing/deprescribing resources as dissociative therapies proliferate.
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