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Schedules of Common Medications

The US uses the 5-tiered Schedule system to classify the legality of a medication. Can you guess what schedule (1-5 or I-V) these well known medications fall in?
Some medications fall under two schedules depending on dosage, both schedules will be accepted.
One medication is unscheduled
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Last updated: February 16, 2026
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First submittedJuly 9, 2025
Times taken26
Average score61.8%
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Medication
Brand/Common Name
Schedule
Fentanyl
Fentanyl
II
Amphetamine
Adderall
II
Morphine
Morphine
II
Pregabalin
Lyrica
V
Oxycodone
OxyContin, 30s, Oxy
II
Tetrahydrocannabinol
Cannabis, Marijuana,
Weed
I
Mescaline
Peyote, San Pedro
I
Methamphetamine
Desoxyn, Meth
II
N,N-Dimethyltryptamine
DMT
I
Alprazolam
Xanax
IV
Propofol
Diprivan, Propofol
Unscheduled
Carisoprodol
Soma
IV
Ketamine
Horse Tranquilizer
III
Testosterone
Steroids, Roids, Juice
III
Lysergic Acid
Diethylamide
LSD, Acid
I
Phencyclidine
PCP, Angel Dust
II
Clonazepam
Klonopin
IV
Medication
Brand/Common Name
Schedule
Codeine Cough Syrup
Robitussin, Lean
V
Methadone
Methadone
II
Codeine
Codeine
II
Acetylmorphine
Heroin
I
Cocaine
Coke, Blow
II
Hydrocodone
Norco, Vicodin
II
Diazepam
Valium
IV
2C-B
2C-B
I
Tramadol
Ultram, Trammies, Ultras
IV
Buprenorphine
Suboxone
III
Zolpidem
Ambien, Roofies
IV
Flunitrazepam
Rohypnol, Roofies
I/IV
Psilocybin
Magic Mushrooms
I
MDMA
Ecstacy, Molly
I
Lorazepam
Ativan
IV
Gamma-
hydroxybutyric Acid
GHB
I/III
Cathinone
Bath Salts
I
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2 Comments
+1
Level 54
Jul 9, 2025
This quiz is a little easier, but I still think it's an interesting topic. Enjoy!

As always, let me know if you have any suggestions.

+1
Level 54
Feb 16, 2026
Updated 2/16/2026 6:00PM EST

Changes:

- Fixed Zolpidem/Ambien being labeled as Schedule II -> now correctly labeled as Schedule IV

- Fixed GHB being labeled as Schedule I/II -> now correctly labeled as Schedule I/III

Clarifications:

- Flunitrazepam is technically Schedule IV as it pertains to federal law, however trafficking it carries Schedule I penalties

- Propofol is not federally scheduled under the Controlled Substances Act (surprisingly), but some states do have laws treating it as a controlled substance. For the sake of this quiz, being federally-focused, it will continue to be labeled as "Unscheduled" unless federal law changes.

- Marijuana/Cannabis is currently in the process of being rescheduled to a lower tier, however as of 2/16/26 the rescheduling has not been made official and it is still Schedule I federally. When the rescheduling is finalized I will update the quiz again.