The symptoms of Alzheimer’s disease rarely arrive with a bang. They creep in: a repeated question, a missed appointment, a recipe your mother has made for fifty years that suddenly will not come together. Families often wonder if they are overreacting, and I tell them it is always fine to ask.
The short answer is that Alzheimer’s begins with trouble remembering recent events and then spreads to language, judgment, mood and daily tasks. It is a physical disease of the brain, and it gets worse slowly over years. I am Mike McClernon, a senior living advisor with a dementia care certification, not a doctor, so use this guide to get ready for a conversation with your parent’s physician.
What are the main symptoms of Alzheimer’s disease?
The main symptoms are memory loss that disrupts daily life, trouble with planning and problem solving, difficulty finding words, confusion about time and place, poor judgment and changes in mood or personality. They appear gradually and worsen over time.
Here is how they usually show up at home.
- Asking the same question again and again within minutes.
- Relying on notes or family for things they used to handle alone.
- Trouble following a conversation or finding the right word.
- Losing track of dates, seasons or how they got somewhere.
- Misplacing things in odd spots, then accusing others of taking them.
- Giving money away, or struggling with a checkbook.
- Pulling back from friends, church, cards or favorite shows.
- Anxiety, irritability or suspicion that is new for them.
Not all of these point to Alzheimer’s. Other kinds of dementia, depression, infections and medicine effects can cause similar problems. For the wider picture, read dementia symptoms and what they mean. A doctor’s evaluation is the only way to find out the cause.
What are the early signs of Alzheimer’s?
The earliest sign is usually forgetting newly learned information, such as a conversation from this morning or an event last week. Other early signs include losing track of the day, a slight drop in judgment, and withdrawing from activities. It is easy to blame stress or age.
This table compares typical aging with what should prompt a call to the doctor.
| Typical aging | Possible early Alzheimer’s |
|---|---|
| Occasionally forgets a name, remembers it later | Forgets recent events and does not recall them later |
| Misses a monthly bill once in a while | Trouble managing bills and money on a regular basis |
| Needs a moment to find a word | Often stops mid sentence, uses the wrong word |
| Loses keys, retraces steps and finds them | Puts things in odd places and cannot retrace steps |
| Gets tired of social activity sometimes | Withdraws steadily from people and hobbies |
If you see the right hand column more than once, schedule an appointment and bring examples with dates. Early diagnosis matters, because it gives your parent time to take part in decisions. That includes signing documents while they understand them, which I explain in can someone with dementia sign legal documents in New York.
Age matters too. Alzheimer’s usually appears after 65, though it can start sooner. See how early dementia can start for more on that.
Is Alzheimer’s a mental illness?
No. Alzheimer’s is a brain disease, not a mental illness. It damages brain cells and is classified as a neurological condition. That difference matters, because it means your parent is not choosing to be difficult or forgetful, and it is not a weakness of character.
The confusion is understandable. Alzheimer’s can cause depression, anxiety, paranoia, hallucinations and behavior changes, which look like mental health symptoms. People with dementia can also have depression on top of it, and depression itself can look like dementia. My post is it depression or dementia covers how to tell them apart.
If your parent shows mood or behavior changes, tell the doctor. Some are treatable, and the doctor can choose the right approach. Please do not start or stop any medicine on your own.
Does Alzheimer’s make you tired?
Often, yes. Many people with Alzheimer’s feel tired during the day, sleep more than before, or have trouble sleeping at night. The disease can affect the parts of the brain that control the sleep and wake cycle.
It is also tiring in its own right. Following a conversation, remembering a name or finding the bathroom takes real effort when the brain is working around damage. By late afternoon, many people are worn out, and that is when confusion and restlessness can get worse.
Common patterns include napping through the day and being awake at night, getting up and wandering after dark, and dozing off in a chair shortly after a meal. If you notice a big change in sleep, tell the doctor. Sleep apnea, pain, medicines, low mood and infections can also be factors. Late in the illness, sleeping most of the day is common, and why dementia patients sleep a lot explains what that can mean.
Does Alzheimer’s cause fatigue, or is something else going on?
Alzheimer’s can cause fatigue, but fatigue alone does not mean Alzheimer’s, and new tiredness should never be brushed aside. A sudden drop in energy can come from an infection, anemia, thyroid problems, heart or lung trouble, dehydration, poor nutrition, depression or a medicine side effect.
That is why a medical review matters whenever a parent seems more tired than usual. Ask the doctor to check the basics: blood work, a medicine review, sleep and mood. Treating a fixable cause can bring back energy and clear thinking, even if Alzheimer’s is also present.
Bring a short log to the visit. Note when your parent sleeps, naps, eats and seems sharpest. Doctors can learn a lot from a week of notes.
Fatigue and Alzheimer’s disease: how can families help day to day?
Keep days predictable, protect nighttime sleep, and plan the hard tasks for the best time of day. Small habits make a real difference for both the person and the caregiver.
- Fix wake and bed times and keep them most days.
- Get daylight in the morning, with a short walk if the doctor says it is fine.
- Plan bathing, appointments and visitors for the time of day your parent is most alert.
- Limit long naps late in the day and caffeine after lunch.
- Keep the evening calm: soft lights, quiet music, fewer people.
- Offer meals and water on a regular schedule.
Gentle activity helps with mood and rest. Familiar music and photographs can lift spirits, and reminiscence therapy for dementia gives easy ways to try this.
Caregivers get tired too. If nights are broken and you are running on empty, that is a real sign that your parent may need more support than you can give alone. Memory care communities are staffed around the clock and keep steady daily routines, which many families find restores sleep for everyone. Our guide to Alzheimer’s and dementia memory care explains what to look for.
How do the symptoms progress, and when should you see a doctor?
See a doctor as soon as you notice changes that affect daily life, and call the same day for sudden confusion. Alzheimer’s moves through mild, moderate and severe stages, and the middle stages are usually the longest. You can see the whole path in the 7 stages of Alzheimer’s chart.
In the mild stage, people still manage much of daily life with reminders. In the moderate stage, they need help with clothing, meals and safety, and may wander or become upset in the evening. In the severe stage, they need full time help, and speech and movement decline.
Write down what you see and when, including small things like a new habit of repeating stories, a skipped meal or an unusual outburst. Patterns help a doctor far more than a single bad day. Ask the doctor about a memory evaluation, the right tests and a referral to a neurologist or memory clinic. Ask what to expect next. A plain list of questions makes a short appointment count.
It also helps to have your parent’s permission, when possible, to speak with the doctor directly. A health care proxy and a signed release make that easier. If your parent resists a visit, try framing it as a routine checkup, and ask the doctor’s office whether you can send a note ahead of time describing what you have seen.
Support for your family from Mike in Glen Cove
If you are caring for a parent with these symptoms, I would be glad to talk. I am Mike McClernon of Assisted Living Locators of Long Island, and my help is free to families. Communities compensate me when a family moves in. I have toured more than 90 communities across Nassau County, Suffolk County and Queens, and I plan 18 to 24 months ahead so a rising level of care is expected, not a surprise.
My office is at 42 Prospect Ave, Glen Cove, NY 11542. You can read about memory care on Long Island, see the Alzheimer’s and dementia memory care options, or contact Mike to set up a first call.
Questions readers ask
How can Alzheimer’s be prevented?
There is no proven way to prevent it. Research suggests that staying active, controlling blood pressure and diabetes, treating hearing loss, sleeping well and staying social may lower risk. Ask the doctor what fits your parent.
How does Alzheimer’s kill you?
The disease itself damages the brain until the body can no longer perform basic functions like swallowing. People often die of complications such as pneumonia or infection. The doctor can explain what to expect for your parent.
Is Alzheimer’s and dementia the same thing?
Not exactly. Dementia is the broad term for memory and thinking loss that interferes with daily life. Alzheimer’s disease is the most common cause of dementia, but there are other causes.
What causes Alzheimer’s disease?
Researchers believe it comes from a mix of age, genes and lifestyle factors that lead to protein buildup and cell damage in the brain. The exact cause is not fully understood.
What is the longest stage of Alzheimer’s disease?
The middle, or moderate, stage is often the longest and can last for several years. The timeline varies a lot from person to person.
What age does Alzheimer’s start?
Most people are diagnosed after 65. Early onset Alzheimer’s can appear in the forties, fifties or early sixties, but it is less common.
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