CSA Schedules

The Controlled Substances Act (CSA) Title II of the Comprehensive Drug Abuse Prevention and Control Act of 1970 is the federal U.S. drug policy under which the manufacture, importation, possession, use and distribution of certain narcotics, stimulants, depressants, hallucinogens, anabolic steroids and other chemicals is regulated. The CSA was signed into law by President Richard Nixon on October 27, 1970. The addition, deletion or change of schedule of a medicine or substance may be requested by the U.S. Drug Enforcement Agency (DEA), the Department of Health and Human Services, the U.S. Food and Drug Administration (FDA), or from any other party via petition to the DEA.

The DEA implements the CSA and may prosecute violators of these laws at both the domestic and international level. Within the CSA there are five schedules (I-V) that are used to classify drugs based upon their abuse potential, medical applications, and safety. Individuals who order, handle, store, and distribute controlled substances must be registered with the DEA to perform these functions. They must maintain accurate inventories, records and security of the controlled substances.

Schedule 1

The drug has a high potential for abuse. The drug has no currently accepted medical use in treatment in the United States. There is a lack of accepted safety for use of the drug under medical supervision.

List of schedule 1 drugs

Schedule 2

The drug has a high potential for abuse. The drug has a currently accepted medical use in treatment in the United States or a currently accepted medical use with severe restrictions. Abuse of the drug may lead to severe psychological or physical dependence.

List of schedule 2 drugs

Schedule 3

The drug has a potential for abuse less than the drugs in schedules 1 and 2. The drug has a currently accepted medical use in treatment in the United States. Abuse of the drug may lead to moderate or low physical dependence or high psychological dependence.

List of schedule 3 drugs

Schedule 4

The drug has a low potential for abuse relative to the drugs in schedule 3 The drug has a currently accepted medical use in treatment in the United States. Abuse of the drug may lead to limited physical dependence or psychological dependence relative to the drugs in schedule 3.

List of schedule 4 drugs

Schedule 5

The drug has a low potential for abuse relative to the drugs in schedule 4. The drug has a currently accepted medical use in treatment in the United States. Abuse of the drug may lead to limited physical dependence or psychological dependence relative to the drugs in schedule 4.

List of schedule 5 drugs

Not controlled

The drug is not subject to the Controlled Substances Act.

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Last updated: 2013-06-04 by Leigh Anderson, PharmD.

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