A hospital study found that nonmedical prescription-drug access often involved relatives or acquaintances, rather than a single illicit-market route.
Among 416 overdose patients treated at one Japanese emergency department during 2017–2024, thirty-three met the nonmedical-access definition. Family members were the leading reported source, followed by friends, internet purchases and unauthorized workplace access. Benzodiazepines predominated in both access groups. Alcohol co-ingestion was more frequent in the nonmedical-access group.
The retrospective study depended on recorded histories and had a small nonmedical subgroup. Missing data and one hospital’s referral patterns limit generalization. The classification concerned how medicines were obtained, not a toxicological confirmation of each tablet’s composition or proof that the source determined overdose severity.
For exposure reconstruction, separate ownership, access, ingestion and chemical identification. A prescription in someone else’s name may explain availability but not the amount consumed. The study supports asking about household and informal sources without assuming that all nonmedical benzodiazepine exposure came from internet sellers or counterfeit products.
Source reviewed: Clinical Characteristics of Patients With Overdose Engaging in Nonmedical Use of Prescription Drugs (PMC13059675). Forensic applications above are interpretive analysis of the supplied paper.
Related reading: Persistent Sedation After Naloxone Can Occur With Illicit-Benzodiazepine Co-Exposure.