Drug class and members	Action on affected neurotransmitter	Neuroreceptors
Anticholinergics	Acetylcholine antagonists	Nicotinic and muscarinic
Asthmador
Benztropine (Cogentin)
Dimenhydrinate (Dramamine)
Diphenhydramine (Benadryl)
Hydroxyzine (Atarax)
Locoweed
Dissociatives	Affect actions of all neurotransmitters	All receptors
Ketamine (Ketalar)
Phencyclidine (PCP)
Phenylcyclohexylpyrolidine (PHP)
Opiates	β-Endorphin agonists
Butorphanol (Stadol)		κ
Pentazocine (Talwin)
Heroin		μ
Hydromorphone (Dilaudid-Hp)
Mesipramine
Methadone
Morphine
Psychedelics	Serotonin agonists	5-HT-2
Borneol
Lysergic acid diethylamide (LSD)
Mescaline
Methylenedioxymeth-amphetamine (MDA)
Psilocybin
Sufrole
Sedative-hypnotics	GABA agonists	GABA-A
Barbiturates
Ethchlorvinyl (Placidyl)
Glutethimide (Doriden)
Methaqualone
Zolpidem (Ambien)
Benzodiazepines		GABA-A-α
Ethyl alcohol	GABA and opioid agonist	GABA-A and μ
Stimulants	Dopamine, norepinephrine and serotonin agonists	DA-2, 5-HT-2, α and β
Amphetamine
Cocaine
Methamphetamine (Desoxyn)
Methylphenidate (Ritalin)