In the early years of the country, medical groups would compile lists of standardized drugs, but it wasn't until after the Mexican-American War (which lasted from 1846-1848) that the government really began to crack down on bad medicine.

在美国建国初期，医疗团体会编制标准化药物清单，但直到美墨战争(1846-1848年持续)结束后，政府才真正开始打击不良药物。