NATIONAL LIBRARY OF MEDICINE / SCIENCE PHOTO LIBRARY NATIONAL LIBRARY OF MEDICINE / SCIENCE PHOTO LIBRARY
Cocaine toothache drops. Advertisement for cocaine toothache drops, featuring two children playing happily. Cocaine, a type of alkaloid drug, was first isolated from the leaves of the coca plant, Erythroxylon coca, in 1855. It became widely used as a local anaesthetic, but its use is now restricted due to its addictive nature. Image of an advertisement from about 1885.
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