fentanyl
Synthetic opioid controlled under Danish drug law and central to overdose cases
Fentanyl is a powerful synthetic opioid which, under Danish law, is treated as a controlled substance governed by the Danish Act on Euphoriant Substances (lov om euforiserende stoffer). The substance is used lawfully as prescription medicine for pain treatment and anaesthesia, but it also appears in illegal trade and drug-using environments, where it can feature in criminal cases concerning possession, transfer, manufacture and smuggling.
According to the Danish Health Authority (Sundhedsstyrelsen), fentanyl is approximately 100 times stronger than morphine, which entails a marked risk of overdose even in very small quantities. This potency makes the substance particularly dangerous in illegal contexts, where the user rarely knows the precise concentration of what is being taken.
Under the Act on Euphoriant Substances, the import and export, sale, purchase, supply, receipt, manufacture, processing and possession of fentanyl are in principle prohibited without lawful authority. Violations may give rise to criminal liability, and the seriousness of a case typically depends on quantity, role and circumstances.
In a true crime context, fentanyl frequently appears in cases where death or serious harm to health has occurred as a result of an overdose. In such cases the legal question often concerns whether a third party — for example a supplier or a caregiver — bears criminal responsibility, including for negligent manslaughter. Fentanyl is therefore not only a substance in drug law, but also an element in the assessment of causation and culpability in death cases.















