The ability to perform more complex tasks such as using the telephone, managing finances, driving a car, planning meals, and working in a job. When a person has Alzheimer's disease, problems with complex tasks appear first and over time progress to more simple activities. Sometimes the physical examination reveals a condition that can be treated. Problems with the heart, lungs, or blood vessels. Vision or hearing problems.
Drug reactions are the most common cause of treatable symptoms.
Older persons may have reactions when they take certain medications. Some medications should not be taken together. Sometimes, adjusting the dose can improve symptoms. Delirium and depression may be mistaken for or occur with Alzheimer's disease. These conditions require prompt treatment.