Certain medications can impact memory and concentration in people over 65.
Certain medications for allergies, anxiety, insomnia and even itching can negatively impact memory and concentration in people over 65.
In fact, a recent study supports a previous recommendation for seniors to completely avoid: sleeping pills, tricyclic antidepressants and first-generation antihistamines.
http://www.medicalnewstoday.com/releases/252444.php