When a Parent Is Diagnosed With Dementia: Supporting Yourself and Your Family
There's a particular kind of silence that follows a dementia diagnosis. The doctor says the words, and for a moment everything pauses… Not because you didn't suspect it, but because hearing it confirmed changes what's possible. The future you imagined with your parents shifts. The relationship you've had with them begins to feel fragile in a way it never did before.
If your mother or father has recently been diagnosed with dementia, you're probably experiencing something that doesn't fit neatly into any single emotion. It's grief, but the person is still here. It's fear, but you don't know the timeline. It's love, but the relationship is already changing in ways you can't control.
This article won't tell you how to manage medications or navigate the healthcare system. What it will do is name the emotional reality of what you're going through, because that part is often the hardest and the least talked about.
Close-up of two pairs of hands. An older person holding wildflowers, a younger person gently cradling their hands, as a moment of connection between generations
The Grief That Starts Before the Loss
One of the most disorienting parts of a parent's dementia diagnosis is grieving someone who is still alive. Therapists call this anticipatory grief, the mourning of what's coming before it arrives. But even that term doesn't fully capture the experience, because with dementia, the losses don't happen all at once. They happen in fragments.
Your father forgets your name, but remembers a song from 1963. Your mother asks the same question four times in an hour, but then makes a joke that sounds exactly like her. The person you love is still there and also disappearing, sometimes within the same conversation.
This in-between is exhausting. You can't fully grieve because they're still here. You can't fully be present because the awareness of what's coming sits underneath everything. Many adult children describe feeling guilty for mourning a parent who hasn't died, as if their grief is premature or selfish. It isn't. You're losing the relationship as you knew it, and that loss is real and happening now.
The Relationship Begins to Shift
Dementia changes the dynamic between parent and child in ways that few people are prepared for. You may find yourself in a role reversal: making decisions your parent used to make, managing their finances, speaking on their behalf at medical appointments. This can feel protective and necessary, but it can also feel wrong, like you've crossed a line that shouldn't have been crossed.
Some adult children feel a painful tenderness in this shift because of a closeness that wasn't there before, born out of vulnerability. Others feel frustration, especially when a parent resists help, becomes suspicious, or says hurtful things they wouldn't have said before the diagnosis. It's important to understand that personality changes, agitation, and even aggression can be symptoms of the disease, not reflections of how your parent feels about you. Knowing that intellectually doesn't always ease the sting, but it can prevent you from carrying blame that doesn't belong to you.
You may also notice that the emotional texture of your visits changes. Conversations become simpler. Silences become longer. There are moments of genuine connection - a shared laugh, a hand held, a look of recognition - and there are moments of profound sadness when you realize that the person sitting across from you is no longer the parent who raised you, at least not in the way you remember.
Both of these realities can coexist. Holding them both without collapsing into one or the other is some of the hardest emotional work a person can do.
What Happens to the Family
A dementia diagnosis doesn't just change the person who has it. It reshapes the entire family system, and often quickly and unevenly.
Siblings respond differently, and that creates conflict. One sibling may move into action mode: researching care options, attending every appointment, reorganizing the house. Another may pull away, overwhelmed or in denial. A third may have strong opinions about what should happen, but no availability to help. These different responses aren't random. They're usually rooted in each person's relationship with the parent, their comfort with vulnerability, and the role they've always played in the family.
The result is often the same dynamic described in sibling conflict around eldercare: the Doer feels abandoned, the Distant One feels judged, and the family fragments at the moment it most needs to hold together.
The well parent gets overlooked. If your other parent is still living, they're likely going through their own crisis: watching their partner disappear, losing their companion, taking on daily care responsibilities they never expected. Adult children often focus so intently on the parent with dementia that the well parent's grief and exhaustion go unnoticed.
Decisions become emotionally loaded. When should we bring in home care? Is it time to consider a memory care facility? Should we take away the car keys? Every practical decision carries emotional weight, but it is an acknowledgment that things are getting worse. Families that haven't established a way to make decisions together often find these moments explosive.
How to Take Care of Yourself Through This
There's no right way to feel. But there are a few things that can help you stay grounded as you navigate the months and years ahead.
Let yourself grieve in real time. You don't have to wait until your parent is gone to feel the loss. Grief is not a single event; it's a process that unfolds alongside the disease. Giving yourself permission to mourn now, even in small moments, prevents that grief from accumulating into something unmanageable.
Resist the urge to do everything alone. This is a long road, and it will outlast your ability to sustain it solo. Whether it's siblings, friends, community resources, home-care support, or a therapist - build a network now, before you're in crisis.
Stay connected to your parent as they are now. This one is important. It's natural to mourn the person they were. But there are still moments of connection available: through music, through touch, through sitting together in comfortable silence. These moments matter, even if they look nothing like the relationship you used to have.
Pay attention to your own signals. If you're exhausted, irritable, withdrawn, or numb - those are signs of caregiver burnout, and they deserve attention. You cannot care for someone well if you're depleted yourself.
Talk to someone who understands. Not someone who will offer platitudes ("at least they're still here") or problem-solve ("have you looked into this program?"), but someone who can sit with the complexity of what you're going through without needing to fix it.
When Therapy Can Help
Therapy for someone in your situation isn't about managing symptoms or learning coping strategies from a worksheet. It's about having a space where the full emotional reality of dementia caregiving is welcome - the love, the grief, the resentment, the guilt, the fear, the exhaustion, and the moments of unexpected beauty.
In therapy, we can work with the anticipatory grief that has no clear timeline. We can explore how the diagnosis has shifted your identity, from child to caregiver, from equal to protector. We can address the family conflict that surfaces around care decisions. And we can build a plan for sustaining yourself through a process that has no predictable end.
My approach draws on specialized training in geriatric mental health through CAMH, McGill University, and Rush University. I understand the clinical landscape of dementia, and more importantly, I understand what it feels like to watch someone you love change in ways you can't stop.
I work with adults across Ontario who are caring for a parent with dementia. Sessions are available virtually across Ontario and in-person in downtown Toronto.
Related reading: Caregiver Burnout: Signs You're Overwhelmed and What to Do This Week How to Set Boundaries With Aging Parents Without Guilt Sibling Conflict Over Eldercare: How to Have the Hard Conversation
Olea Ahmann is a Registered Psychotherapist (CRPO #19786) in Toronto specializing in caregiver burnout, family conflict around aging, and therapy for older adults. She is an affiliate member of the Canadian Academy of Geriatric Psychiatry and serves on the Board of Directors of the Canadian Association for Psychodynamic Therapy. Therapy is available in English and Russian.