Early detection of dementia, including Alzheimer’s disease, can make a significant difference in managing symptoms, planning for the future, and accessing treatments that may slow progression. While occasional memory lapses are a normal part of aging, certain patterns of change are not.
Here are 10 early warning signs of dementia that should never be ignored, along with guidance on what to do if you or a loved one experiences them.
Important Distinction: Normal Aging vs. Dementia
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Normal Aging: Forgetting a name occasionally, misplacing your keys sometimes, or walking into a room and forgetting why you went there. These moments are frustrating but don’t disrupt your daily life.
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Dementia: The changes are persistent, progressive, and severe enough to interfere with your ability to perform everyday tasks and maintain your normal routine.
10 Early Warning Signs of Dementia
1. Memory Loss That Disrupts Daily Life
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What it looks like: This is the most well-known sign. It goes beyond occasionally forgetting a name. The person may:
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Forget recently learned information.
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Ask for the same information over and over again.
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Rely increasingly on memory aids (sticky notes, electronic reminders) or family members for things they used to handle on their own.
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Normal aging example: Forgetting a colleague’s name but remembering it later.
2. Challenges in Planning or Solving Problems
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What it looks like: Some people experience changes in their ability to develop and follow a plan or work with numbers. They may:
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Have trouble following a familiar recipe.
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Struggle to keep track of monthly bills.
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Have difficulty concentrating on tasks and take much longer to do them than before.
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Show poor judgment, like giving away large sums of money to telemarketers.
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3. Difficulty Completing Familiar Tasks
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What it looks like: People often find it hard to complete routine tasks at home, at work, or during leisure time. For example, they may:
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Have trouble driving to a familiar location.
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Forget the rules of a favorite game.
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Struggle to manage a budget or remember the steps to complete a work project.
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4. Confusion with Time or Place
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What it looks like: Losing track of dates, seasons, and the passage of time. They may:
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Not understand something if it’s not happening immediately.
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Forget where they are or how they got there.
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Get lost on their own street.
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5. Trouble Understanding Visual Images and Spatial Relationships
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What it looks like: For some people, having vision problems is a sign of dementia. This may lead to:
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Difficulty reading.
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Problems judging distance (which can cause car accidents).
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Trouble determining color or contrast, or not recognizing their own reflection in a mirror, thinking a stranger is in the room.
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6. New Problems with Words in Speaking or Writing
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What it looks like: People with dementia may have trouble following or joining a conversation. They may:
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Stop in the middle of a sentence and have no idea how to continue.
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Struggle with vocabulary, have trouble naming a familiar object (e.g., calling a watch a “hand-clock”), or use the wrong name for something.
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Repeat themselves.
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7. Misplacing Things and Losing the Ability to Retrace Steps
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What it looks like: A person with dementia may put things in unusual places (e.g., putting car keys in the refrigerator). They may:
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Lose things and be unable to go back over their steps to find them again.
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Accuse others of stealing, which can become more frequent over time.
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8. Decreased or Poor Judgment
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What it looks like: Changes in decision-making or judgment. For example, they may:
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Pay less attention to grooming or keeping themselves clean.
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Dress inappropriately for the weather, wearing several layers on a hot day or very little clothing in the cold.
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Fall for scams they would have easily spotted before.
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9. Withdrawal from Work or Social Activities
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What it looks like: A person with dementia may start to remove themselves from hobbies, social activities, work projects, or sports. They may:
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Have trouble keeping up with a favorite team or activity.
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Avoid being social because of the changes they are experiencing (or are aware of).
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Need to be coaxed to engage in activities they once loved.
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10. Changes in Mood and Personality
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What it looks like: The mood and personality of someone with dementia can change dramatically. They can become:
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Confused, suspicious, depressed, fearful, or anxious.
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Easily upset at home, with friends, or when out of their comfort zone.
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Unusually angry or aggressive.
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What to Do If You Notice These Signs
If you or a loved one are experiencing several of these signs, especially if they are interfering with daily life, do not ignore them.
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See a Doctor: Schedule an appointment with a primary care physician. They can perform an initial assessment, rule out other causes (like vitamin deficiencies, thyroid problems, or medication side effects, which can mimic dementia), and refer you to a specialist if needed.
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Get a Full Evaluation: A neurologist, geriatrician, or neuropsychologist can conduct a more thorough evaluation, including cognitive tests and possibly brain imaging, to determine the cause.
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Don’t Go Alone: Bring a family member or close friend who can provide additional information about the changes they’ve observed.
The Bottom Line
Early diagnosis is empowering. It provides access to treatments that may help manage symptoms, allows the person to participate in planning for their future care, and gives families time to learn about the disease and connect with support services. If something feels “off,” trust your instincts and seek help.