polysubstance dependence

pol·y·sub·stance de·pen·dence

(polē-sŭbstăns dĕ-pendĕns)
Addiction to at least three categories of psychoactive substances or agents (not including nicotine or caffeine) but one in which no simple psychoactive substance predominates.
References in periodicals archive ?
Other studies have shown that polysubstance dependence is on the rise.
Most people who use drugs have polysubstance dependence.
In DSM-IV, Polysubstance Dependence was the designation for use of multiple substances that together would meet the threshold of dependence.
However, if a patient repeatedly uses at least three groups of substances (not including caffeine and nicotine), with no single substance predominating, and the criteria for substance dependence are met for these substances as a group but not for any specific substance, the patient is diagnosed with polysubstance dependence.
Our average patient is 14 or 15 years old and meets criteria for polysubstance dependence.
You have a patient diagnosed with a severe and persistent mental disorder as well as polysubstance dependence.
In addition, the NCS--2 and NCS-Replication do not yield drug-specific diagnoses, but rather produce polysubstance dependence diagnoses for which dependence criteria are met for substances as a group, but not necessarily for any specific drug.
By definition, polysubstance dependence means a person is using three or more groups of addictive substances over a 12-month period with no one substance predominating.
These include alcoholics who use cocaine only after having enough alcohol to inhibit them to use; addicts who "speed-ball" (mixing cocaine and heroin for intravenous use); and many other combinations that would not meet the strict criteria for polysubstance dependence, but would clearly show dependence on more than one substance in some routine pattern of use.
This article will address problems associated with both polysubstance dependence and what I would like to term "multisubstance" dependence.
Understanding the Dynamics of Polysubstance Dependence
Polysubstance dependence is associated with which of the following?