What’s the difference between Dementia and Alzheimer’s Disease?

Families often hear the words Dementia and Alzheimer’s disease used together—or even interchangeably—which can make an already emotional situation feel more confusing. At Novus Care, we believe that understanding these terms is an important first step towards getting the right support and planning compassionate care.

Let’s break it down in a clear, simple way.

What is Dementia?

Dementia is not a single disease. It’s an umbrella term used to describe a group of symptoms that affect memory, thinking, problem-solving, language, and the ability to carry out everyday activities.

Common symptoms of dementia may include: – Memory loss that disrupts daily life – Difficulty concentrating or following conversations – Confusion about time or place – Changes in mood, behaviour, or personality – Problems with decision-making or judgment

Dementia is caused by damage to brain cells, and this damage can happen for many different reasons. The specific cause determines the type of dementia.

What is Alzheimer’s Disease?

Alzheimer’s disease is the most common cause of dementia. In fact, it accounts for around 60–70% of dementia cases. Alzheimer’s is a progressive brain disease that develops over time. It’s associated with abnormal protein build-ups in the brain (called plaques and tangles) that interfere with how brain cells communicate and eventually lead to cell death.

Early symptoms of Alzheimer’s often include:

• Short-term memory loss
• Repeating questions or stories
• Misplacing items
• Difficulty finding the right words

As the disease progresses, individuals may need increasing levels of support with personal care, communication, mobility, and daily routines.

Dementia vs Alzheimer’s Disease: What’s the Difference?

A helpful way to think about it is: Dementia is the overall term for symptoms. Alzheimer’s disease is one specific disease that causes dementia. You wouldn’t say that someone has “cancer” without also identifying the type — dementia works in a similar way.

Other types of dementia include:

• Vascular dementia – caused by reduced blood flow to the brain, often after a stroke
• Lewy body dementia – linked to abnormal protein deposits called Lewy bodies
• Frontotemporal dementia – affects personality, behaviour and language more than memory in the early stages
• Mixed dementia – a combination of two or more types, often Alzheimer’s and vascular dementia

Why understanding the difference between Dementia and Alzheimer’s helps

Understanding the difference between dementia and Alzheimer’s disease helps families:

• Know what to expect as symptoms change
• Access the right medical advice and treatments
• Plan appropriate care and support
• Communicate more confidently with healthcare professionals

While there is currently no cure for Alzheimer’s disease or most dementias, early diagnosis can make a meaningful difference in managing symptoms and maintaining quality of life.

How Dementia and Alzheimer’s care can help

Living with dementia or Alzheimer’s affects not only the individual, but also their family and loved ones. Professional carers can provide:

• Consistent routines that reduce anxiety and confusion
• Personalised 1-2-1 care and support tailored to the individual’s needs
• Help with daily living, medication, and personal care
• Emotional reassurance and companionship

At Novus Care, we focus on person-centred care in the home—supporting not just the condition, but the person behind it.

Dementia vs Alzheimer’s Disease: Key Takeaways

If you remember just one thing, let it be this: all Alzheimer’s disease is dementia, but not all dementia is Alzheimer’s disease. This distinction is one of the most common questions families ask when first exploring dementia care and Alzheimer’s support services.

If you’re worried about yourself or someone you love, you’re not alone. Understanding the terminology is a powerful first step, and compassionate support can make the journey easier.

If you’d like to talk about dementia care options, Alzheimer’s care at home, or need guidance on choosing the right support, our team is always here to help.

Frequently Asked Questions

Is Dementia the same as Alzheimer’s disease?
No. Dementia is a general term for symptoms affecting memory and thinking, while Alzheimer’s disease is a specific condition and the most common cause of dementia.

Which is worse, Dementia or Alzheimer’s disease?
Neither is “worse,” but Alzheimer’s disease is progressive and leads to increasing care needs over time. The impact depends on the type of dementia and the individual.

Can someone have Dementia but not Alzheimer’s disease?
Yes. Many people live with other forms of dementia such as vascular dementia, Lewy body dementia, or mixed dementia.

When should I seek Dementia care support?
Early support can improve quality of life, reduce stress for families, and help people remain independent for longer. Find out more here:

To discuss our dementia care services in more detail or to arrange a no-obligation free care assessment, please email us today or call: 0800 138 4030