Have you ever forgotten where you placed your keys or struggled to remember someone’s name? Occasional forgetfulness is a normal part of life, especially as we grow older. However, persistent memory problems, confusion, or changes in thinking and behaviour may be early signs of dementia.
According to the World Health Organization (WHO), dementia affects millions of people worldwide and is one of the leading causes of disability and dependency among older adults.
Dementia is a progressive condition that affects memory, thinking, language, reasoning, and the ability to carry out everyday activities. Recognising the early warning signs is important because an early diagnosis allows individuals and their families to access treatment, plan for the future, and receive the support they need.
In this article, we explore 11 early warning signs of dementia, explain how they differ from normal ageing, and discuss when it is time to seek medical advice.
Recognising the early signs of dementia can help individuals receive a timely diagnosis and appropriate treatment. While the early signs of dementia may be subtle at first, identifying these symptoms early can improve quality of life and help families prepare for the future.
Related: Read our complete guide, “Dementia Explained: 10 Essential Facts About Causes, Symptoms, Types & Care,” to learn more about the condition.
What Are the 11 Early Warning Signs of Dementia?
The early signs of dementia vary from person to person and depend on the type of dementia. Symptoms usually develop gradually and become more noticeable over time.
The early signs of dementia often develop gradually and may be mistaken for normal ageing. However, when the early signs of dementia begin to interfere with daily activities, relationships, or independent living, it is important to seek medical advice as soon as possible.
The NHS advises that persistent memory loss, confusion, and difficulty carrying out familiar tasks are common symptoms of dementia.Here are the most common warning signs.
1. Memory Loss That Disrupts Daily Life
One of the earliest and most common signs of dementia is memory loss, especially forgetting recently learned information. Memory loss is one of the earliest signs of dementia and is often the symptom that prompts families to seek medical advice. Recognising these early signs of dementia can lead to earlier diagnosis and better support.
A person may:
- Repeatedly ask the same questions.
- Forget recent conversations or appointments.
- Misplace items and struggle to retrace their steps.
- Depend heavily on reminder notes or family members.
Occasional forgetfulness is common, but persistent memory problems that interfere with daily life should not be ignored.
2. Difficulty Planning or Solving Problems
Difficulty managing familiar tasks is one of the early signs of dementia that may gradually become more noticeable over time. People in the early stages of dementia may find it difficult to:
- Follow recipes.
- Manage household bills.
- Keep track of finances.
- Concentrate on familiar tasks.
- Make decisions.
Tasks that were once simple may suddenly become confusing or take much longer to complete.
3. Confusion About Time or Place
Someone living with dementia may:
- Forget the current date or season.
- Become confused about where they are.
- Lose track of time.
- Have difficulty understanding how they arrived somewhere.
Some individuals may become disoriented even in places they have visited many times before.
4. Difficulty Completing Familiar Tasks
Routine activities may become increasingly challenging.
Examples include:
- Preparing a familiar meal.
- Operating household appliances.
- Driving to familiar locations.
- Following the rules of a favourite game.
- Using everyday technology.
5. Problems Finding the Right Words
Language difficulties are another common early symptom.
A person may:
- Pause frequently during conversations.
- Forget common words.
- Call objects by the wrong names.
- Repeat themselves.
- Struggle to follow conversations.
These communication problems can make social interactions frustrating.
6. Poor Judgment and Decision-Making
Dementia may affect a person’s ability to make sound decisions.
Examples include:
- Giving away large amounts of money.
- Falling for scams.
- Neglecting personal hygiene.
- Wearing inappropriate clothing for the weather.
- Ignoring obvious safety risks.
7. Misplacing Things Frequently
Everyone loses things occasionally, but people with dementia may:
- Put items in unusual places, such as keys in the refrigerator or a wallet in the washing machine.
- Be unable to retrace their steps.
- Accuse others of stealing misplaced belongings.
8. Changes in Mood, Personality, or Behaviour
Early dementia can affect emotions and behaviour.
A person may become:
- More anxious.
- Easily irritated.
- Suspicious of others.
- Depressed.
- Fearful.
- Socially withdrawn.
Family members are often the first to notice these changes.
9. Withdrawal from Social Activities
Someone experiencing early dementia may stop participating in:
- Family gatherings.
- Church or community events.
- Hobbies.
- Sports.
- Volunteer work.
This withdrawal may occur because conversations and activities become more difficult to follow.
10. Difficulty Understanding Visual Information
Some types of dementia affect visual perception.
People may have trouble:
- Judging distances.
- Reading.
- Recognising faces.
- Identifying colours or contrasts.
- Navigating stairs safely.
These problems increase the risk of falls and accidents.
11. Repeating Questions or Stories
Another common warning sign is repeating the same questions or stories within a short period because the person cannot remember having already said them.
For example, they may ask:
- “What time are we leaving?” several times in one hour.
- Tell the same story repeatedly without realising it.
Early Dementia vs Normal Ageing
It is important to distinguish between normal ageing and dementia.
| Normal Ageing | Possible Dementia |
|---|---|
| Occasionally forgetting names but remembering later | Frequently forgetting names and never recalling them |
| Misplacing items occasionally | Putting items in unusual places and being unable to find them |
| Occasionally making poor decisions | Regularly showing poor judgment |
| Sometimes forgetting appointments | Frequently missing appointments despite reminders |
| Needing help with new technology | Difficulty using familiar household items |
When Should You See a Doctor?
You should seek medical advice if memory problems or changes in thinking begin to interfere with daily life. Dementia UK provides practical guidance for families and carers supporting people living with dementia.
Consult a healthcare professional if you notice:
- Persistent memory loss.
- Confusion.
- Personality changes.
- Difficulty completing everyday tasks.
- Repeated questions.
- Problems managing finances or medication.
Early assessment is important because some conditions, such as vitamin deficiencies, thyroid disorders, infections, depression, or medication side effects, can cause memory problems that may be reversible.
If you notice several early signs of dementia in yourself or someone close to you, it is important to arrange a medical assessment. Many conditions can mimic the early signs of dementia, so obtaining an accurate diagnosis is essential.
Why Early Diagnosis Matters
Receiving an early diagnosis can:
- Help identify the cause of symptoms.
- Allow treatment to begin sooner.
- Improve symptom management.
- Give families time to plan for future care.
- Provide access to support groups and community services.
- Reduce stress by explaining changes in behaviour.
Can Dementia Be Prevented?
Although dementia cannot always be prevented, research suggests that adopting healthy lifestyle habits may reduce the risk. Alzheimer’s Disease International reports that the number of people living with dementia is expected to rise significantly over the coming decades due to population ageing.
These include:
- Staying physically active.
- Eating a balanced diet rich in fruits, vegetables, whole grains, and healthy fats.
- Keeping blood pressure, cholesterol, and diabetes under control.
- Avoiding smoking and excessive alcohol consumption.
- Staying socially connected.
- Challenging your brain with reading, puzzles, or learning new skills.
- Getting enough sleep.
- Protecting your hearing and vision.
Conclusion
Recognising the early signs of dementia can make a significant difference in a person’s quality of life. While occasional forgetfulness is a normal part of ageing, persistent memory loss, confusion, changes in behaviour, and difficulty performing familiar tasks should not be ignored.
If you notice these warning signs in yourself or a loved one, seek medical advice promptly. Early diagnosis provides access to treatment, support services, and practical strategies that can help individuals maintain independence and well-being for as long as possible.
References
Alzheimer’s Association. (n.d.). 10 warning signs of Alzheimer’s. Retrieved July 16, 2026, from https://www.alz.org/alzheimers-dementia/10_signs
Alzheimer’s Association. (n.d.). What is dementia? Retrieved July 16, 2026, from https://www.alz.org/alzheimers-dementia/what-is-dementia
Alzheimer’s Disease International. (n.d.). Dementia statistics. Retrieved July 16, 2026, from https://www.alzint.org/about/dementia-facts-figures/dementia-statistics/
Centers for Disease Control and Prevention. (2025). About Alzheimer’s disease and healthy aging. Retrieved July 16, 2026, from https://www.cdc.gov/alzheimers-dementia/index.html
National Health Service. (n.d.). Dementia. Retrieved July 16, 2026, from https://www.nhs.uk/conditions/dementia/
National Health Service. (n.d.). Symptoms of dementia. Retrieved July 16, 2026, from https://www.nhs.uk/conditions/dementia/symptoms/
National Institute on Aging. (2024). What is dementia? Symptoms, types, and diagnosis. Retrieved July 16, 2026, from https://www.nia.nih.gov/health/dementia
World Health Organization. (2025). Dementia. Retrieved July 16, 2026, from https://www.who.int/news-room/fact-sheets/detail/dementia
Frequently Asked Questions (FAQs)
Is memory loss always a sign of dementia?
No. Memory problems can also result from stress, depression, certain medications, vitamin deficiencies, thyroid disorders, or lack of sleep. A healthcare professional can determine the underlying cause.
What is usually the first symptom of dementia?
The first symptom is often memory loss that affects daily life, such as forgetting recent conversations, appointments, or repeatedly asking the same questions.
Can younger adults develop dementia?
Yes. Although dementia is more common in older adults, some forms, such as frontotemporal dementia, can affect people under the age of 65.
Can dementia be cured?
There is currently no cure for most types of dementia, but treatments, lifestyle changes, and supportive care can help manage symptoms and improve quality of life.
Vivian Okpala is a Public Health Educator and Founder of VeeVee Health. She creates evidence-based health content focused on blood sugar control, blood pressure management, weight management, and preventive health, with a strong emphasis on culturally relevant nutrition and lifestyle guidance.
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