Schedules of Controlled Substances
CONTROLLED SUBSTANCE SCHEDULES
I
II
III
IV
V
Substances in this Schedule have no currently accepted medical use in the U.S., a lack of accepted safety for use, and a severe potential for abuse
Examples
Heroin, LSD, marijuana, peyote, ecstasy
Substances in this Schedule have currently accepted medical use in the U.S.; however, they have severe restrictions due to high potential for abuse which may lead to dependence.
Examples
Morphine, PCP, cocaine, methadone, pentobarbital, fentanyl, methamphetamine
Substances in this Schedule have currently accepted medical use in the U.S. and less potential for abuse relative to those in I/II.
Examples
Ketamine, buprenorphine, anabolic steroids, codeine, some barbiturates
Substances in this Schedule have currently accepted medical use in the U.S. and less potential for abuse relative to those in III.
Examples
Xanax, Klonopin, Valium, Ativan
Substances in this Schedule have currently accepted medical use in the U.S. and low potential for abuse.
Examples
Cough medicine with <200 mg codeine, Lyrica