Medical Providers:
Dr. Michael Vines, MD
Alex Spritzer, FNP, CARN-AP, PMHNP
Clinical Providers:
Natalie Foster, LPC-S, MS
Last Updated: March 4, 2025
When someone you care about begins showing memory lapses, confusion, or sudden behavior changes, it can feel frightening. Many worry about dementia, but sometimes the cause is delirium—a separate condition that appears suddenly and can often be treated.
For individuals dealing with substance use, the situation can become even more complicated. Withdrawal from alcohol or drugs may trigger delirium, and prolonged substance use can result in cognitive issues that resemble dementia.
Delirium and dementia both impact the brain, but they are very different.
For those dealing with substance use or withdrawal, symptoms of both delirium and dementia can overlap, making accurate diagnosis essential.
Delirium is a medical emergency that requires prompt treatment. Common causes include:
Signs of delirium can include:
Unlike dementia, delirium symptoms often fluctuate throughout the day.
Dementia develops gradually and worsens over time. It’s more common in older adults and is often caused by diseases like Alzheimer’s.
Common symptoms include:
Unlike delirium, dementia symptoms are persistent and steadily progress rather than coming and going.
Long-term alcohol or drug use can harm the brain, sometimes causing problems that resemble dementia. Heavy, prolonged use of substances like alcohol may even lead to permanent memory loss.
Meanwhile, withdrawal from alcohol or certain drugs (such as benzodiazepines) can trigger delirium, making clear thinking difficult. That’s why it’s crucial to address delirium promptly and seek help for substance-related cognitive issues.
If a loved one shows signs of confusion, it’s important to see a doctor promptly. Diagnosing delirium versus dementia typically involves:
A key question doctors ask is whether the confusion developed suddenly or gradually. Rapid onset usually points to delirium.
The good news: delirium is often reversible if addressed quickly. Treatment differs from dementia care because delirium is usually triggered by an underlying issue, such as an infection or withdrawal.
Possible treatments include:
Older adults and people with mental health conditions are at higher risk, so early intervention is crucial.
Dementia cannot be reversed, but certain treatments can help slow its progression. These may include:
Using hearing aids and other sensory tools can also help people with dementia stay engaged and reduce confusion.
If memory loss or confusion is linked to substance use, the brain can often recover with proper care. Treatment may include:
Getting help early can significantly reduce the risk of worsening dementia-like symptoms.
People with Alzheimer’s disease face a higher risk of delirium, particularly during hospitalization or when taking multiple medications.
If delirium occurs in someone with Alzheimer’s, it can lead to:
Substance use can make these effects worse by increasing confusion and damaging brain cells. Families should be aware of the risks and seek medical attention promptly.
Can delirium be fatal? Yes—particularly when it’s caused by:
Delirium is especially risky for older adults and those with existing cognitive impairments. Preventing it through proper management of health conditions and careful monitoring during substance withdrawal is essential.
If you or a loved one is experiencing substance-related confusion or memory problems, Arizona IOP is here to help. We offer medically supervised detox to safely manage withdrawal, cognitive therapy to support brain recovery, and long-term addiction treatment to prevent future decline.
Our comprehensive approach combines medical care, therapy, and personalized support, giving individuals the tools they need for lasting recovery and improved well-being.
Confusion and memory loss can be frightening, but you don’t have to face them alone. Contact Arizona IOP today to learn how we can support you or a loved one on the path to recovery.
