Case report: Post-traumatic memories triggered by donepezil in a dose-dependent pattern.

Background: This case report describes a new adverse drug event due to use of donepezil in a patient with probable Alzheimer's Disease.

Case Summary: While receiving a 10-mg dose of donepezil nightly, an 87-year old veteran of World War II experienced irrepressible memories of a kamikaze strike. This symptom did not occur at a 5-mg dose of donepezil and resolved with downward titration of this agent.