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Acetaminophen overuse in the Ohio Medicaid population
Pamela C Heaton1, Robert J Cluxton, Charles J Moomaw
1Division of Pharmacy Practice, College of Pharmacy, University of Cincinnati, Cincinnati, Ohio 45267-0004, USA. pam.heaton@uc.edu
Journal of the American Pharmacists Association : Japha
|January 14, 2004
Summary
Acetaminophen overuse was identified in 3.05% of Ohio Medicaid patients, with some exceeding safety limits. Healthcare providers should monitor acetaminophen use to prevent liver damage.
Area of Science:
- Pharmacology
- Hepatotoxicity
- Public Health
Background:
- Acetaminophen is a widely used analgesic and antipyretic.
- Acetaminophen overdose is a leading cause of acute liver failure.
- Understanding usage patterns is crucial for preventing adverse events.
Purpose of the Study:
- To analyze acetaminophen (APAP) consumption patterns in Ohio Medicaid patients.
- To identify patients with and without hepatotoxicity risk factors who overuse APAP.
- To assess the prevalence of APAP doses exceeding recommended safety limits.
Main Methods:
- Retrospective, cross-sectional analysis of Ohio Medicaid claims data.
- Included 22,496 patients receiving at least 6 APAP prescriptions (Nov 1998 - Apr 1999).
- Defined overuse as average daily dose (ADD) ≥ 4g/day or ADD ≥ 3g/day with liver dysfunction codes.
Main Results:
- Identified 687 patients (3.05%) with APAP overuse.
- Of these, 128 patients had diagnosis codes indicating underlying liver dysfunction.
- Exceeding safety recommendations occurred in a notable subset of the study population.
Conclusions:
- A small but significant number of Ohio Medicaid patients exceeded safe acetaminophen dosage recommendations.
- Acetaminophen overuse poses a substantial risk for liver failure.
- Healthcare professionals must remain vigilant in monitoring patient APAP intake.
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