1800s CE
Opium was used to treat cholera during several epidemics in the 1800s

During cholera epidemics in 1831, 1848 and 1853, opium was heavily promoted and mixed with calomel (a mineral form of mercury chloride) to provide relief.

Source: Martin, B. (1996). Opium: A History.

Drugs: Opium (morphine, heroin, opioids)
Regions: UK (England, Scotland, Wales, Northern Ireland)
Topics: Medicinal use of drugs