It does specify some of the drugs. And I will now be reducing my use of OTC diphenhydramine. Thanks for posting this. The study estimated that people taking at least 10 mg/day of doxepin (antidepressant), four mg/day of diphenhydramine (a sleep aid), or five mg/day of oxybutynin (a urinary incontinence drug) for more than three years would be at greater risk of developing dementia. www.bbc.com/news/health-30988643