Schedule I
A) The drug or other substance has a high potential for abuse.
B) The drug or other substance has no currently accepted medical use in treatment in the United States.
C) There is lack of accepted safety for use of the drug or other substance under medical supervision.
Examples include:  heroin and marijuana.
Schedule II
A) The drug of other substance has a high potential for abuse.
B) The drug or other substance has a currently accepted medical use in treatment in the United States, or a currently accepted medical use with restrictions.
C) Abuse of the drug or other substance may lead to severe psychological or physical dependence.
Examples include:  Morphine, cocaine, and Dilaudid.
Schedule III
A) The drug or other substance has potential for abuse less than the drugs or other substances in Schedules I and II.
B) The drug or other substance has a currently accepted medical use in treatment in the United States.
C) Abuse of the drug or other substance may lead to moderate or low physical dependence or high psychological dependence.
Examples include:  Anabolic steroids, Doriden, Fiorinal, and Tylenol with Codeine.
Schedule IV
A) The drug or other substance has a low potential for abuse relative to the drugs or other substances in Schedule III.
B) The drug or other substance has a currently accepted medical use in treatment in the United States.
C) Abuse of the drug or other substance may lead to limited physical dependence or psychological dependence relative to the drugs or other substances in Schedule III.
Examples include:  Valium, Talwin, Librium, and Chloral Hydrate.
Schedule V
A) The drug or other substance has a low potential for abuse relative to the drugs or other substances in Schedule IV.
B) The drug or other substance has a currently accepted medical use in treatment in the United States.
C) Abuse of the drug or other substance may lead to limited physical dependence or psychological dependence relative to the drugs or other substances in Schedule IV.
Examples include:  prescription cough syrups.