After a Diagnosis of Mild Cognitive Impairment or Dementia: What Happens Next?
Throughout this series, we've talked about memory changes, the difference between normal aging and dementia, the different types of dementia, how cognitive changes are evaluated, and newer blood tests that can help identify Alzheimer's disease.
But eventually, patients and families arrive at the question that may matter most: What do we do now?
A diagnosis of mild cognitive impairment (MCI) or dementia can feel overwhelming. But a diagnosis does not mean that someone suddenly loses their independence or their ability to make decisions. In fact, the period soon after diagnosis can be one of the most important times to take action.
Treatment is part of that plan—but so are exercise, managing other health conditions, staying socially engaged, reviewing medications, monitoring everyday function, addressing safety concerns, and making plans for the future while the person with cognitive changes can participate fully in those decisions.
First, MCI and Dementia Are Not the Same Thing
Mild cognitive impairment, or MCI, describes measurable changes in memory or other thinking skills that are greater than we would expect with normal aging, but do not significantly interfere with a person's ability to function independently. Someone with MCI may need more reminders, take longer to complete complex tasks, or have more difficulty remembering recent information—but may still manage medications, finances, appointments, driving, shopping, and other daily responsibilities independently.
Dementia describes cognitive decline that does interfere with everyday function and independence.
That distinction is important.
A diagnosis of MCI also does not mean that dementia is inevitable. Some people remain stable for years, some improve if contributing factors are identified and treated, and others eventually progress to dementia. This is why continued follow-up is important.
Step One: Understand What the Diagnosis Means
One of the first questions I encourage families to ask is: "What do we think is causing the cognitive changes?"
As we've discussed earlier in this series, dementia is not one disease. Alzheimer's disease, vascular disease, Lewy body disease, frontotemporal dementia, and other conditions can all cause cognitive decline.
Sometimes the diagnosis is clear. Other times, particularly early in the process, we may need to follow symptoms over time or obtain additional testing before we can be certain. Understanding the likely cause matters because treatment, expected progression, and even medication choices can differ depending on the type of cognitive disorder.
Are There Medications That Can Help?
There is currently no medication that cures dementia, but there are treatments that may help depending on the underlying diagnosis and stage of disease.
Traditional Alzheimer's medications such as donepezil (Aricept), rivastigmine (Exelon), and galantamine (Razadyne) may help support memory and thinking in some patients. Memantine (Namenda) is another medication generally used in moderate to severe Alzheimer's dementia. These medications do not stop Alzheimer's disease, but they may help stabilize or improve symptoms for a period of time.
We also now have a newer category of medications that actually targets the underlying biology of Alzheimer's disease. Lecanemab (Leqembi) and donanemab (Kisunla) are anti-amyloid therapies that remove beta-amyloid from the brain and can slow cognitive and functional decline in appropriately selected patients with early Alzheimer's disease—either MCI or mild dementia due to Alzheimer's—with confirmed amyloid pathology. These treatments are not appropriate for everyone. They require careful evaluation and monitoring and carry potential risks, including amyloid-related imaging abnormalities (ARIA), which can involve swelling or bleeding in the brain. Treatment decisions should therefore be made with a clinician experienced in Alzheimer's therapy after discussing potential benefits, risks, and the patient's individual circumstances. Importantly, these medications treat Alzheimer's disease, not every type of dementia.
Treatment Is About Much More Than Medication
One of the most important things I tell patients is that caring for the brain also means caring for the rest of the body. Regular physical activity, good nutrition, adequate sleep, social engagement, and treatment of hearing loss all support overall health and may help patients maintain function and quality of life.
We also pay close attention to cardiovascular risk factors such as:
High blood pressure
Diabetes
High cholesterol
Smoking
Physical inactivity
This is particularly important because vascular disease and Alzheimer's pathology frequently coexist.
Your physician should also periodically review medications. Certain medications—including some sleep aids, antihistamines, bladder medications, sedatives, and other drugs with anticholinergic effects—can worsen confusion or cognitive symptoms in susceptible older adults.
The goal is not simply to treat a diagnosis. It is to help the person function as well as possible for as long as possible.
Keep Watching the Things That Matter Most: ADLs and IADLs
A cognitive screening score can be helpful, but it doesn't tell us everything we need to know. One of the best measures of how someone is doing is simply asking:
What can they still do independently?
As we discussed earlier in this series, physicians often think about function in two categories.
Activities of Daily Living (ADLs) include basic tasks such as:
Bathing
Dressing
Eating/Feeding
Toileting/Continence
Grooming/Personal hygiene
Moving around independently
Instrumental Activities of Daily Living (IADLs) are more complex tasks such as:
Managing medications
Paying bills and managing finances
Driving
Shopping
Cooking
Keeping appointments
Using a phone or computer
Managing household responsibilities
Changes in these abilities can tell us much more than a single memory test. For example, someone may still score reasonably well on cognitive testing but begin paying the same bill three times, forgetting medications, getting lost while driving, or falling victim to financial scams. Those changes matter.
Driving Deserves Its Own Conversation
Few topics surrounding cognitive decline are more emotional than driving. A diagnosis of MCI—or even early dementia—does not automatically mean that someone must immediately stop driving. Driving ability varies considerably from person to person. But driving requires much more than memory. It requires attention, judgment, visuospatial skills, reaction time, and the ability to respond quickly when something unexpected happens.
Warning signs include:
Getting lost on familiar routes
New dents or unexplained damage to the car
Near-misses or accidents
Traffic violations
Difficulty judging distances or lanes
Confusing the gas and brake pedals
Family members becoming uncomfortable riding with the person
Taking an unusually long time to complete a familiar trip
When concerns arise, your physician can help assess the situation and, when appropriate, recommend a formal driving evaluation. These conversations are difficult because driving represents independence. Whenever possible, it's better to begin talking about transportation alternatives before a crisis or accident forces the decision.
Pay Attention to Finances, Too
Financial management is another area where cognitive decline may appear surprisingly early.
A person who successfully managed household finances for decades may begin missing bills, making duplicate payments, giving money to unfamiliar organizations, or falling victim to scams.
Families should watch for unusual purchases, unpaid bills, unexplained withdrawals, new "friends" asking for money, or sudden changes in financial habits. The goal is not to unnecessarily take control away from someone. Instead, consider adding safeguards gradually—for example, having a trusted family member review accounts, setting bills to autopay, adding alerts for unusual transactions, or identifying someone who can step in if help becomes necessary.
Plan Early—While the Person Can Participate
This may be one of the most important pieces of advice in this entire series. Don't wait for advanced dementia to begin planning. Early in the disease process, a person can participate in conversations about what matters to them and how they want decisions handled in the future. This is a good time to review or establish:
A health care surrogate or medical power of attorney
Durable financial power of attorney
Advance directives
A will and estate documents
Preferences regarding future medical care
Plans for where and how the person would prefer to live if additional help becomes necessary
These aren't conversations about "giving up." They are about preserving autonomy.
The earlier these discussions happen, the more the patient—not the disease—gets to guide future decisions. An elder-law attorney can be particularly helpful with legal and financial planning because requirements vary by state and individual circumstances.
What About Someone Who Lives Alone?
Living alone does not necessarily become unsafe the moment someone receives a diagnosis.
The more useful question is whether the person can still safely manage the tasks required to live independently.
Can they reliably take their medications?
Prepare food?
Respond appropriately in an emergency?
Manage finances?
Drive or arrange transportation?
Recognize a scam?
Remember appointments?
Over time, families may need to gradually add support. That might mean medication organizers or automated dispensers, grocery delivery, transportation assistance, help with finances, regular family check-ins, home safety modifications, or eventually in-home caregiving. The goal should be to provide the least amount of assistance necessary to maintain the greatest amount of safe independence.
Don't Forget the Caregiver
Cognitive decline doesn't affect only the person who receives the diagnosis.
Spouses, adult children, and other caregivers may gradually take responsibility for medications, transportation, finances, appointments, meals, household tasks, and eventually personal care.
That can become exhausting. Caregiver burnout is real, and asking for help is part of good dementia care—not evidence that someone has failed. Support groups, respite care, adult day programs, home health resources, community organizations, and organizations such as the Alzheimer's Association can provide valuable education and support. Families don't have to figure everything out alone.
What Should Families Do First?
If you've recently received a diagnosis of MCI or dementia, you don't need to solve the next ten years this week. Start with a few priorities:
Understand the diagnosis. Ask what is known—and what is still uncertain—about the cause of the cognitive changes.
Discuss treatment options. Ask whether medications or additional evaluation are appropriate.
Review medications and medical conditions. Make sure other health issues are being well managed.
Establish a baseline for function. Pay attention to medications, finances, driving, cooking, appointments, and other everyday tasks.
Talk about safety before there is a crisis. Driving, falls, firearms, cooking, wandering, medications, and financial vulnerability may eventually need attention.
Complete legal and advance-care planning early. Give the person with cognitive changes the opportunity to express their own wishes.
Identify your support system. Decide who will help if more assistance becomes necessary.
Keep living. Continue exercising, traveling, seeing friends, enjoying hobbies, spending time with family, and participating in meaningful activities for as long as it is safe and enjoyable to do so.
A Diagnosis Is Not the End of Independence
Perhaps the most important thing to remember is that cognitive decline usually happens over time.
A diagnosis of MCI or early dementia does not mean that someone suddenly becomes incapable of making decisions, living independently, traveling, enjoying relationships, or participating in the activities that make life meaningful. Our job is not to take independence away prematurely. Our job is to recognize when a little additional support can preserve independence safely for longer. That may mean a pill organizer today, help with finances next year, and transportation assistance sometime after that. Every person's journey is different.
Good dementia care is therefore about much more than treating memory loss. It's about protecting health, function, safety, dignity, relationships, and quality of life—and making sure that the person living with cognitive change remains at the center of the conversation for as long as possible.
Closing Our Dementia Series
Over the course of this series, we've discussed what dementia means, how to recognize concerning cognitive changes, what happens during a medical evaluation, the different diseases that can cause dementia, and the rapidly evolving role of Alzheimer's blood testing.
If there is one message I hope you take away from this series, it is this: Don't ignore cognitive changes, but don't assume the worst either.
Start with a conversation with your primary care physician. Early evaluation gives us the best opportunity to identify treatable contributors, clarify what may be happening, discuss available treatments, address safety concerns before they become emergencies, and—most importantly—give patients and their families time to plan thoughtfully for the future.
At Cardona Direct Primary Care, Dr. Cardona and Dr. Garland provide personalized healthcare, including direct primary care, obesity medicine, and aesthetic treatments. Dr. Cardona is board-certified in both family medicine and obesity medicine and has a special interest in medical weight loss. Dr. Garland is board-certified in family medicine and is a certified medical marijuana provider. She has a special interest in skincare and is eager to assist with your individual skincare needs. Located in Jacksonville, FL, we are dedicated to prioritizing you. Contact us at 904-551-4625 or visit our website at www.cardonadpc.com to learn more and schedule your appointment today!
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