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Acetaminophen hepatotoxicity in the alcoholic
1Department of Medicine, Medical University of South Carolina, Charleston 29425.
Southern Medical Journal
|September 1, 1990
Summary
Acetaminophen use in alcoholic patients can cause severe liver injury, even at therapeutic doses. This combination is potentially lethal, leading to high transaminase levels and prolonged prothrombin times.
Area of Science:
- Hepatology
- Toxicology
- Internal Medicine
Background:
- Acetaminophen is a common over-the-counter analgesic and antipyretic.
- Alcohol use disorder is a prevalent chronic condition.
- The combined impact of acetaminophen and alcohol on liver function requires careful consideration.
Observation:
- A retrospective review identified seven patients with alcoholism and severe acute hepatocellular injury.
- These injuries occurred after therapeutic acetaminophen use without suicidal intent.
- Patients presented with markedly elevated serum transaminase (aspartate aminotransferase > 4000 U/L) and prolonged prothrombin times.
Findings:
- Alcoholic patients are at high risk for severe liver injury from acetaminophen.
- The observed cases demonstrated acute hepatocellular damage, indicated by extreme transaminase elevations.
- Coagulation abnormalities, evidenced by prolonged prothrombin times, were also prominent.
Implications:
- Acetaminophen use in individuals with alcohol use disorder poses a significant and potentially lethal risk.
- Clinicians should exercise extreme caution when prescribing or recommending acetaminophen to alcoholic patients.
- This highlights the critical need for patient education regarding safe medication use in vulnerable populations.