(720 ILCS 5/24.5-5)
Any person who possesses nitrous oxide or any substance containing nitrous
oxide, with the intent to breathe, inhale, or ingest for the purpose of causing
a condition of intoxication, elation, euphoria, dizziness, stupefaction, or
dulling of the senses or for the purpose of, in any manner, changing,
distorting, or disturbing the audio, visual, or mental processes, or who
knowingly and with the intent to do so is under the influence of nitrous oxide
or any material containing nitrous oxide is guilty of a Class A misdemeanor.
A person who commits a second or subsequent violation of this Section is guilty
of a Class 4 felony.
This Section shall not apply to any person who is under the influence of
nitrous oxide or any material containing nitrous oxide pursuant to an
administration for the purpose of medical, surgical, or dental care by a person
duly licensed to administer such an agent.
(Source: P.A. 91-366, eff. 1-1-00.)