No accepted medical use. Extremely high potential for abuse. High potential for psychological and physical dependency. A few examples are: Marijuana, Heroin and MDMA (Extasy).

Does have medical use. High potential for abuse. Relative potential for psychological and physical dependency. A few examples are: Oxycodone, Codeine and Ritalin.

Does have medical use. Moderate abuse potential exists, but less than Sch II. Examples are: Vicodin and Tylenol w/Codeine.

Abuse potential exists, but less than Sch III. Examples are: Ambien, Darvocet and Lorazepam.

Lowest abuse potential of the DEA Sch. Abuse potential exists, but less than Sch IV. Example: Cough medicine w/codeine or anti-diarrheals.