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Drug Burden Index (DBI)

DBI Formula: Σ [ Daily Dose / (Daily Dose + Min Efficacious Dose) ]. Include ONLY drugs with clinically significant anticholinergic or sedative properties.

Add Sedative/Anticholinergic Medication

Note: Only include drugs that cross the blood-brain barrier with sedative/anticholinergic effects.

Guidelines & Evidence

Verified

Last Review: 2026

When to Use

When to Use

Quantifying cumulative exposure to anticholinergic and sedative medications in older adults.
Medication review for patients presenting with falls, frailty, or functional decline.
Evaluating the pharmacological contribution to cognitive impairment.
Guiding dose-reduction or deprescribing strategies.

Dose-Responsive Burden

Unlike the Beers Criteria or ACB which assign a fixed risk or score to a drug regardless of dose, the DBI mathematically models the burden based on the actual daily dose prescribed relative to the minimum recommended daily dose. This provides a more sensitive and patient-specific measure of pharmacological load.

Related Scores in Practice

In clinical practice, this assessment is frequently evaluated alongside other validated measures. Depending on the patient's presentation and specific diagnostic requirements, you may also need to utilize the Anticholinergic Burden Score (ACB) or the Beers Criteria (PIMs) to formulate a comprehensive care plan.

Last Comprehensive Review: 2026

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