In-home care for Parkinson’s disease dementia

When Parkinson’s starts to affect thinking

Parkinson’s is best known as a movement disorder, but it also affects thinking.

The Parkinson’s Foundation reports that about half of people with Parkinson’s have mild cognitive impairment, and up to 70% will develop dementia as the disease progresses, usually after many years.

Parkinson’s disease dementia (PDD) is diagnosed when thinking problems appear after a year or more of movement symptoms. When thinking changes come first, or alongside movement problems, doctors call it dementia with Lewy bodies. The two are closely related; see our Lewy body dementia page.

Symptoms the Foundation lists include memory loss, confusion, mood changes and agitation, hallucinations and delusions, visual-perception problems, and word-finding trouble. There is no single test; diagnosis is clinical, and mood, sleep, medication and other medical problems can mimic dementia, so a careful evaluation matters.

What’s different about caring for PDD at home

• Two sets of symptoms at once. Your loved one may need help both remembering and moving: getting out of a chair, turning in bed, walking through a doorway.

• Medication timing matters. Parkinson’s medications are often prescribed for specific times. When doses are late or missed, the Parkinson’s Foundation warns of a “symptom spiral” of falls, swallowing changes and side effects, a risk that is highest during hospital stays.

• Hallucinations and delusions. These can come from the disease and sometimes from medications. Changes should go to the neurologist, not be handled by adjusting pills at home.

• Falls and freezing. Balance problems plus confusion make falls more likely, and a fall can mean a hospital stay that sets everything back.

• Long caregiving years. Many spouses have already been care partners for a decade before dementia appears.

What a companion does differently for Parkinson’s disease dementia

• Keeps to the medication clock. Companions give reminders at the times on your loved one’s schedule and note when a dose was taken late or refused. They don’t administer medications; that line stays with the family, nurse or pharmacist.

• Times activities to “on” periods. When medications are working well, that is the window for a walk, an appointment or an outing. During “off” periods, the companion keeps things quiet and seated.

• Prevents falls. Clearing clutter, allowing extra time for turns and doorways, staying close when your loved one stands up, and encouraging use of the walker. Our room-by-room safety guide helps with the house.

• Supports safe eating. Upright posture, smaller bites, unhurried meals, and noting coughing or choking for the doctor; see dysphagia.

• Responds to hallucinations calmly. As the Parkinson’s Foundation advises, companions don’t argue, and gently redirect if your loved one is frightened.

• Keeps the voice and body moving. Conversation, singing, reading aloud and the exercises a therapist has recommended. Music in particular often helps; see our post on familiar songs.

How Parkinson’s disease dementia is treated

There is no cure, but treatment can help. According to the Parkinson’s Foundation, several Alzheimer’s medicines have shown benefit in PDD, including rivastigmine, donepezil and galantamine, and rivastigmine is the only one approved by the FDA specifically for Parkinson’s disease dementia. Whether any of them fits your loved one is a decision for the neurologist, who will weigh it against their Parkinson’s medications.

The Foundation also describes cognitive remediation: a neuropsychologist or speech-language pathologist teaches practical strategies to work around memory and thinking problems. People in the early stage can often use these strategies on their own, and care partners can help keep them going as the disease progresses. Ask the doctor whether a referral makes sense.

Communicating with someone who has Parkinson’s disease dementia

Slowed thinking and a softer voice can make conversations frustrating on both sides. The Parkinson’s Foundation suggests a few habits that help:

• Speak slowly, at eye level, in short and simple sentences.
• Ask one question at a time, and wait for the answer without finishing it for them.
• Turn off the TV or radio before giving instructions.
• If your loved one fixes on an idea, agree where you can and gently change the subject.
• Use humor to ease tension, but skip sarcasm, which can be taken literally.

When behavior becomes difficult, look for the need underneath it first. Hunger, thirst, tiredness, pain, frustration, loneliness and boredom are common triggers, and a companion who knows your loved one’s patterns can often spot them early.

Setting up the home and the day

Small changes at home can reduce both confusion and falls. The Parkinson’s Foundation recommends decluttering and simplifying living spaces, using low-level lighting at night so shadows are less likely to be misread, and keeping a predictable daily schedule so your loved one knows what comes next.

Write the daily schedule down and keep it where everyone can see it, including medication times, meals, rest and the best window for activity. When family members, companions and visiting therapists all follow the same plan, your loved one has fewer surprises, and changes in how they are doing stand out sooner.

The Foundation also advises planning for safety soon after diagnosis rather than after a crisis:

• Ask the doctor about a formal driving evaluation.

• Protect bank accounts and cards, since people with dementia face a higher risk of scams.

• Confirm the names and doses of every medicine, and supervise how pills are taken.

• Consider a medical alert system for falls or wandering.

• Review firearm safety in the home with the doctor.

Planning ahead for a hospital stay

The Parkinson’s Foundation notes that people with Parkinson’s are at higher risk of hospitalization and more likely to have longer stays. In the hospital, doses are often delayed or missed because the ward does not follow the home schedule, and some medicines that worsen Parkinson’s are sometimes prescribed. Stress, infection, poor sleep and limited movement can then set off the symptom spiral described above.

Prepare before you need it. The Foundation offers a free Hospital Safety Guide through its PD Library. Keep an up-to-date list of every medicine with exact dose times, ask the care team to match the home schedule, and track each dose yourself during the stay. Add the diagnosis of Parkinson’s disease dementia to our hospital information sheet so staff know about both the movement and the thinking changes.

The Parkinson’s Foundation’s care checklist, adapted

The Foundation’s 10 steps for PDD care include confirming the diagnosis, finding a clinician experienced with PDD and Lewy body dementia, holding a family meeting, involving your loved one in decisions while they can take part, planning early for driving and scam risks, completing legal documents, using support services and regular breaks, wearing a medical ID, and caring for the care partner. Three of those are where in-home help makes the biggest difference: safety monitoring, support services and breaks, and protecting the caregiver’s own health.

The care partner has often been at this for years

By the time dementia appears, many Parkinson’s care partners have spent a decade driving to neurology appointments, managing pill schedules and steadying every step. The CDC notes that dementia caregivers face a higher risk of anxiety, depression and poorer quality of life than other caregivers, and about 30% of caregivers are 65 or older themselves. Regular, predictable breaks are not a luxury here. Even two four-hour blocks a week can let a spouse keep their own medical appointments, exercise, or simply sleep. Our spouse caregivers page and respite care page explain how families set this up.

Florida resources for Parkinson’s disease dementia

• Parkinson’s Foundation Centers of Excellence in Florida (per the Foundation’s Florida Chapter): the University of Florida Center for Movement Disorders and Neurorestoration, the University of Miami Miller School of Medicine, and the University of South Florida Parkinson’s Disease and Movement Disorders program.

• Parkinson’s Foundation Helpline: 1-800-4PD-INFO (1-800-473-4636). The Florida Chapter office is in Miami (305-537-9930).

• Memory Disorder Clinics: Florida’s 17 state clinics, including the University of Florida clinic in Gainesville and the St. Mary’s Medical Center clinic at Palm Beach Neuroscience Institute in West Palm Beach, help with cognitive evaluation.

• Veterans: Parkinson’s disease and parkinsonism are on the VA’s Agent Orange presumptive conditions list. See our veterans page.

• Respite and caregiver support: Elder Helpline 1-800-96-ELDER.

Signs you need more help

• Falls, or a fear of falling that keeps your loved one in a chair all day.
• Missed or mistimed doses, or confusion about which pills to take.
• New or frightening hallucinations, paranoia, or sleep acting-out.
• Choking, weight loss, or meals that take over an hour.
• The care partner can no longer safely help with transfers or bathing.
• A hospital stay is coming; plan now with our hospital information sheet.

As physical care needs grow, compare memory care with a nursing home, and see our Florida cost guide. Check whether we serve your county on our areas page.