That headline is too strong medically. There isn’t good evidence that seven specific medications cause “severe dementia and profound brain damage.” The strongest evidence concerns long-term exposure to medications with anticholinergic effects, particularly in older adults. Even there, studies show an association with increased dementia risk, not proof that the medicines directly cause permanent brain damage.
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7 Types of Medications That May Increase Dementia Risk — What You Need to Know
Some commonly used medications can affect memory, thinking, and alertness—especially when they have strong anticholinergic effects or are used for long periods.
Examples include:
Certain bladder medications — some drugs used for overactive bladder have strong anticholinergic effects.
Some antihistamines — particularly older, sedating antihistamines.
Certain antidepressants — some older antidepressants have substantial anticholinergic activity.
Some medications for Parkinson’s disease — certain anticholinergic Parkinson’s drugs can contribute to cognitive problems.
Certain medications for sleep — some sedating medicines can impair memory and alertness.
Some antipsychotic medications — these can cause significant cognitive and neurological side effects in certain people, particularly older adults.
Benzodiazepines — drugs such as alprazolam, clonazepam, diazepam, and lorazepam can cause drowsiness and cognitive impairment; they also carry important risks of dependence and withdrawal. {“fallbackMarkdown”:”(U.S. Food and Drug Administration
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