A person commits the offense of possession of a controlled substance, as defined in Section 195.010, RSMo., if he or she knowingly possesses a controlled substance, except and only to the extent as authorized by Chapter 579, RSMo., Chapter 195, RSMo., or Article
XIV, Section 1 of the Missouri Constitution, including any and all rules and regulations promulgated by the Missouri Department of Health and Senior Services related to legalized marijuana.
It shall be unlawful for any person to sell any ephedrine product
without a valid prescription written by a Missouri licensed physician
and filled by a Missouri licensed pharmacist. The prohibition set
forth herein shall not apply to the sale of animal feed containing
ephedrine.
No person shall intentionally smell or inhale the fumes of any
solvent, particularly toluol, amyl nitrite, butyl nitrite, cyclohexyl
nitrite, ethyl nitrite, pentyl nitrite and propyl nitrite and their
iso-analogues or induce any other person to do so for the purpose
of causing a condition of, or inducing symptoms of, intoxication,
elation, euphoria, dizziness, excitement, irrational behavior, exhilaration,
paralysis, stupefaction, or dulling of senses or nervous system, or
for the purpose of, in any manner, changing, distorting or disturbing
the audio, visual or mental processes; except that this Section shall
not apply to the inhalation of any anesthesia for medical or dental
purposes.