Schedule
Example of controlled substances
Schedule I Heroin, marijuana, mescaline, methcathinone,
Schedule II Amphetamine, codeine, fentanyl, Hydromorphone, meperidine, methadone, Methylphenidate (Ritalin), morphine, oxycodone, pentobarbital, phencyclidine (PCP), secobarbital
Schedule III Anabolic
steroids, phendimetrazine, and products that contain small quantities of certain schedule II controlled substances, such as codeine, in combination with noncontrolled ingredients, such as aspirin.
Schedule IV Alprazolam (Xanax), chlordiazepoxide (Librium), diazepam (Valium), lorazepam (Ativan), phenobarbital, phentermine
Schedule V Buprenorphine and many cough Preparations that contain a limited amount of codeine