What is the difference between dementia and Alzheimer's?

Dementia is an umbrella term for a decline in memory, reasoning, and thinking severe enough to interfere with daily life. Alzheimer's disease is the most common cause of dementia — roughly 60–80% of cases — but it is one specific brain disease, not the same as dementia itself.

Can someone have dementia without Alzheimer's?

Yes. Vascular dementia, Lewy body dementia, frontotemporal dementia, and mixed dementia are all forms of dementia that are not Alzheimer's disease. Diagnosis matters because the care plan and progression differ.

When should a family consider in-home dementia care?

Consider professional in-home care when a loved one begins wandering, missing medications, forgetting meals, becoming unsafe with appliances, or when family caregivers are exhausted. Specialized dementia training — like Vinculum Care's Dementia 360™ program — helps caregivers respond calmly and safely.

Difference Between Dementia and Alzheimer's: A Family Guide

A plain-language guide for Michigan families weighing what's happening to a loved one — and what kind of care comes next.

The short answer

Dementia is an umbrella term — it describes a set of symptoms (memory loss, confusion, poor judgment, difficulty with daily tasks) caused by changes in the brain. Alzheimer's disease is one specific brain disease, and it is the most common cause of dementia — accounting for roughly 60–80% of cases.

Put simply: all Alzheimer's is dementia, but not all dementia is Alzheimer's.

Common types of dementia

Alzheimer's disease — gradual memory loss, word-finding difficulty, disorientation.
Vascular dementia — caused by reduced blood flow, often after a stroke; step-wise decline.
Lewy body dementia — visual hallucinations, movement changes, fluctuating alertness.
Frontotemporal dementia — earlier onset; personality, behavior, and language changes first.
Mixed dementia — more than one type at the same time, especially in older adults.

Symptoms families notice first

Early dementia rarely looks like the movie version. Families usually notice subtle things: repeating the same story within an hour, struggling with a familiar recipe, getting lost on a familiar drive, paying the same bill twice, withdrawing from hobbies, or becoming uncharacteristically anxious in busy environments.

Getting a diagnosis

A primary care provider can start the process with a cognitive screen, blood work, and a review of medications. A specialist (neurologist or geriatrician) may add imaging or memory testing. A clear diagnosis matters — vascular dementia, Lewy body dementia, and Alzheimer's each respond to different care strategies.

Choosing the right level of care

Most families want a loved one to stay home as long as it is safe. The right level of care usually escalates over time:

Companion care — meals, reminders, light housekeeping, supervision.
Personal care — bathing, dressing, toileting, mobility support.
Specialized dementia care — trained caregivers using calm redirection, routine, and safety planning.
Respite & 24/7 care — overnight coverage and short-term relief so family caregivers can rest.

Why specialized dementia training matters

A caregiver who hasn't been trained in dementia often reacts to confusion with correction — and that escalates fear and agitation. A trained caregiver redirects, validates, and keeps the environment predictable. That single difference is what keeps people safer at home for longer.

Vinculum Care's caregivers complete Dementia 360™, an immersive training program that teaches caregivers to recognize triggers, manage sundowning, prevent wandering, and communicate without escalating distress. It's the same approach we use across CHAMPS Medicaid, VA Community Care, and private-pay clients in Michigan's Thumb Region.

Difference Between Dementia and Alzheimer's