Common Medications Linked to Anticholinergic Burden
A new study reveals that many older adults take drugs that may impact cognitive or physical health.
Updated on Oct. 3, 2026 in Alzheimer’s
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Research involving 6,550 older adults found that over 83% are prescribed at least one medication with anticholinergic activity. The findings highlight how different clinical assessment scales categorize the risks of these drugs in patients taking 10 or more medications.
Why it matters
Understanding how various scales measure drug burden is critical for clinicians aiming to safely manage complex medication regimens in older adults. This analysis clarifies how different tools identify patients at risk for the cumulative effects of these treatments.
A study of 6,550 patients aged 65 and older found that 83.3% were prescribed at least one drug with anticholinergic activity. The researchers compared three assessment scales, finding the Drug Burden Index classified 50.2% of patients as high risk, significantly more than the ACB or Duran scales.
The details
Anticholinergic drugs work by blocking acetylcholine, a neurotransmitter essential for memory and muscle function. In patients with hyperpolypharmacy, defined as taking 10 or more medications, the cumulative effect of these drugs can increase total burden. The study utilized electronic health records to calculate scores across three scales, noting that medications like lorazepam and tramadol were frequent contributors to patient risk profiles.
Timeline
October 3, 2026: The research article was published.
Health Landscape
This research advances the clinical application of the Drug Burden Index compared to existing assessment tools. It reflects an evolving focus on quantifying the risks of long-term medication use in aging populations with high drug intake.
If you or a loved one are taking multiple medications, it is worth discussing the total anticholinergic load with a doctor. Ask your physician if any of your current prescriptions can be adjusted to minimize potential side effects or cognitive impacts.
The takeaway
The study highlights that many older adults are routinely exposed to drugs with anticholinergic activity. Patients should periodically review their medication lists with a healthcare provider to ensure that the benefits of each drug continue to outweigh the risks.
Further reading
Learn more about managing medication safety and cognitive health in our Alzheimer’s section.
More information
View the complete peer-reviewed study on anticholinergic burden for detailed findings.
Source note: This article includes information reported by Nature.
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