Abstract
This article argues that the widespread use of opiate-compounded medicines in late-nineteenth-century Japan was partly a result of Meiji period (1868–1912) public health policies. An overview of the status of opiates in Japan from the seventeenth to the nineteenth centuries is intended to explain possible reasons: pharmaceutical reforms in the 1870s and 1880s were based on Edo-period (1603–1868) protostructures of regulated drug manufacture; in contrast, the Meiji government failed to introduce Western clinical practice within a short span of time. As a result opiates, marketed as Western ‘modern’ medicines, were smoothly integrated into pre-existing beliefs, according to which drugs and diets maintained bodily health