Medical Term:

controlled substance

 

Definition: a substance subject to the U.S. Controlled Substances Act (1970), which regulates the prescribing and dispensing, as well as the manufacturing, storage, sale, or distribution of substances assigned to five schedules according to their 1) potential for or evidence of abuse, 2) potential for psychic or physiologic dependence, 3) contribution to a public health risk, 4) harmful pharmacologic effect, or 5) role as a precursor of other controlled substances.

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