Epidemiology | Intoxication | Withdrawal | Treatment | Medical Complications
The family of hallucinogens includes drugs that induce a distortion
of reality in the user, including alterations of sensory perceptions
of sight and sounds as well as changes in emotions. Lysergic acid
diethylamide (LSD) is the prototypical hallucinogen. It is an odorless
and tasteless synthetic chemical, usually ingested as a solution
or dissolved on paper or sugar cubes. Typical hallucinogenic doses
are 25–75 micrograms. Analogous lysergic acid derivatives
can be extracted from morning glory seeds and ergot, a rye fungus.
In 2005, annual use among twelfth graders was 1.8%. Among tenth
graders, annual use was 1.5% (National Institute on Drug Abuse 2005a).