An Compounds acting on opioid receptors in the body, whether naturally occurring or synthetic. Their use can lead to the development of crippling physical dependence. Whether used through a prescription for pain management or recreationally, its overuse in the United States has been classified as a nat... More used for pain management, which has emerged as a popular recreational A name for a wide variety of chemical substances capable of altering the function of your mind and body in significant ways. These can include over the counter prescriptions, alcohol, and controlled substances. Most drugs are either physically and/or psychologically habit-forming. More. It is at least 100 times stronger than Morphine is a prescribed drug that is often abused and can be habit-forming. It is used recreationally, often by snorting. Morphine addiction can also form when used as prescribed. More. As a result of its strength and popularity, it has become the leading opioid leading to death by overdoes.