They are almost impossible to find in antique stores any more, but it used to be fairly commonplace to find a set of containers for the 1900 kitchen, four containers, each one smaller than the last, marked Flour, Sugar, Salt, and Cocaine.
Cocaine was the go-to drug for such ailments as coughing, and IIRC Bayer invented heroin as a drug to replace cocaine as a cough medicine, thinking incorrectly that heroin was not addictive, unlike cocaine.