FAST scale · stage 5 of 7
Stage 5 dementia: moderately severe
Choosing clothes that suit the day or the weather needs help.
What daily life looks like
The person needs help choosing what to wear for the weather or the occasion, and may wear the same clothes for days. They may need reminding to wash. They usually still eat and use the toilet without help, and still know close family, but can be confused about where they are or what day it is.
What typically changes next
Next, putting clothes on usually needs help, then washing.
Time typically reported at this stage: about 1.5 years (Reisberg 1988, Alzheimer's disease). An average across many people, never a prediction for one person.
What helps caregivers at this stage
- Lay out clothes in the order they go on; offer two choices rather than a wardrobe.
- Sundowning (late-day agitation) often starts in this range. Logging hard moments as trigger, behaviour and what helped shows the pattern.
- Help for you matters now too: a regular break each week is easier to set up before it becomes urgent.
When to talk to a clinician
A sudden change, over days rather than months, is not a stage change. Confusion that appears quickly, new agitation, a fall or a change in eating or continence can be an infection, pain, a medication effect or dehydration, and those are treated. Bring your log and the date you last filled in the checklist.
Frequently asked questions
What is stage 5 dementia?
On the seven-stage FAST scale, stage 5 (moderately severe) means: Choosing clothes that suit the day or the weather needs help.
How long does stage 5 dementia last?
Reisberg (1988) reports a typical duration of about 1.5 years at stage 5 in Alzheimer's disease. That is an average across many people, not a prediction for one person, and other dementias follow different paths.
What comes after stage 5?
Next, putting clothes on usually needs help, then washing.
Keep it over time in Anchorly
Anchorly keeps the monthly stage check-in next to the daily log, the sundowning tracker and the life story, and puts the latest stage on the one-page care snapshot for the care team.
Free, no account, works offline. Your loved one's information stays on the phone.
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