Before revision: Partial list of psychotropic substances currently or formerly used in medicine, but not scheduled: benzydamine (deliriant and stimulant, used medically as a non-steroidal anti-inflammatory drug) butorphanol (agonist-antagonist opioid) caffeine (stimulant) dextromethorphan (dissociative, used medically as a cough suppressant) and its metabolite dextrorphan diphenhydramine and dimenhydrinate (deliriants) ketamine (dissociative) and its stereoisomer esketamine modafinil (stimulant), its stereoisomer armodafinil, and a similar drug adrafinil nalbuphine (agonist-antagonist opioid) nicotine (stimulant) propofol and fospropofol (anesthetics) sodium thiopental (barbiturate) zaleplon (depressant z-drug) zopiclone (depressant z-drug) and its stereoisomer eszopiclone There are also many designer drugs not used in medicine that are not scheduled , as well as alcohol, which is also not scheduled and widely consumed legally as a recreational drug
After revision: Partial list of psychotropic substances currently or formerly used in medicine, but not scheduled: benzydamine (deliriant and stimulant, used medically as a non-steroidal anti-inflammatory drug) butorphanol (agonist-antagonist opioid) caffeine (stimulant) dextromethorphan (dissociative, used medically as a cough suppressant) and its metabolite dextrorphan diphenhydramine and dimenhydrinate (deliriants) ketamine (dissociative) and its stereoisomer esketamine modafinil (stimulant), its stereoisomer armodafinil, and a similar drug adrafinil nalbuphine (agonist-antagonist opioid) nicotine (stimulant) propofol and fospropofol (anesthetics) sodium thiopental (barbiturate) zaleplon (depressant z-drug) zopiclone (depressant z-drug) and its stereoisomer eszopiclone There are also many designer drugs not used in medicine that are not scheduled alcohol (depressant)