Class B drug
Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia, Wikipedia.
Class B drugA category of controlled drugs (under the UK Misuse of Drugs Act 1971) which are less dangerous than Class A agents, but more so than Class C, including sedatives, stimulants, and opioids.
Amphetamine, Cannabis and Cannabinol (which were dropped from Class A to Class C in 2004, then raised to Class B in 2009), codeine, glutethemide.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.