&NA;Persons with dementia and their caregivers struggle with a myriad of difficult ethical decisions. As dementia progresses and the affected individual no longer has decisional capacity, family members and professionals must work together to achieve the good. Each stage of Alzheimer's disease raises its own unique set of moral quandaries. The purpose of this column is to provide a perspective on these many issues in the hope that continuing discussion will be of benefit to decision makers. There are issues that allow no single answer, yet it is imperative to think through all issues with accuracy and care.