You missed a critical one in there. How many pharmaceuticals *might* have psychological side effects?
“The use of psychotropic drugs by adult Americans increased 22 percent from 2001 to 2010, with one in five adults now taking at least one psychotropic medication, according to industry data.” - APA
Percent of persons using at least one prescription drug in the past month: 48.5% (2007-2010).
Common and infrequent psychological side effect to *non* psychotropic prescription drugs *may* include: depression, anxiety, hallucinations, insomnia, amnesia, vision and other sensory problems, compulsive behavior, suicidal ideation (suicidal thoughts), paranoia, anger or rages, addiction, and loss of inhibition.