Late nineteenth century → present
A history of heroin
Diamorphine's path from pharmaceutical product to a controlled medicine and illicit opioid market.
Pharmaceutical development
Diamorphine was developed and marketed in the late nineteenth century within a rapidly expanding pharmaceutical industry. Evidence note: Established.
Control
Growing concern about dependence contributed to progressively stronger national and international controls. Evidence note: Established.
Harm reduction
Needle programmes, opioid treatment and naloxone changed the public-health response to opioid use. Evidence note: Established.
Why this history matters now
The history of heroin is also a history of treatment: prescribing, abstinence approaches, opioid substitution treatment and harm reduction have coexisted and changed over time.
Myths, disputes and uncertainty
Popular drug histories often compress complex cultural, commercial and political developments into a single inventor, date or scandal. This page uses only broad claims that can be supported confidently. Where an origin story is contested or documentation is incomplete, it is not presented as settled fact.
From history to current information
Read effects, risks, UK legal status, harm reduction and treatment information for heroin.