I brought FAQ8 to the top for you to read.
The ultimate source for this information is Beers list.
Potentially Inappropriate Medications for the Elderly According to the Revised Beers Criteria
http://www.dcri.duke.edu/ccge/curtis/beers.html
Links to the medical article
Updating the Beers Criteria for Potentially Inappropriate Medication Use in Older Adults
http://archinte.ama-assn.org/cgi/content/full/163/22/2716
Table 1, inappropriate medications
To prevent increased confusion in dementia patients, void (if possible) any medicine that has anticholinergic properties.
http://archinte.ama-assn.org/cgi/content-nw/full/163/22/2716/TABLEIOI20821T1