This document summarizes various medicines and remedies from the late 19th and early 20th century that contained harmful or addictive substances like heroin, cocaine, opium, chloroform, and cannabis. It shows advertisements and instructions for products containing these substances that were used to treat conditions in children and adults like coughs, asthma, pain, and more. The document suggests people in the past were often unaware of the addictive nature and dangers of these substances that were common in medicines at that time.