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Drug Interaction Report

1 potential interaction and/or warning found for the following 2 drugs:

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Interactions between your drugs

No drug ⬌ drug interactions were found between the drugs in your list. However, this does not necessarily mean no drug interactions exist. Always consult your healthcare provider.

Drug and food interactions

Major

acetaminophen food

Applies to: Paracetamol (acetaminophen)

GENERALLY AVOID: Chronic, excessive consumption of alcohol may increase the risk of acetaminophen-induced hepatotoxicity, which has included rare cases of fatal hepatitis and frank hepatic failure requiring liver transplantation. The proposed mechanism is induction of hepatic microsomal enzymes during chronic alcohol use, which may result in accelerated metabolism of acetaminophen and increased production of potentially hepatotoxic metabolites.

MANAGEMENT: In general, chronic alcoholics should avoid regular or excessive use of acetaminophen. Alternative analgesic/antipyretic therapy may be appropriate in patients who consume three or more alcoholic drinks per day. However, if acetaminophen is used, these patients should be cautioned not to exceed the recommended dosage (maximum 4 g/day in adults and children 12 years of age or older).

References

  1. Kaysen GA, Pond SM, Roper MH, Menke DJ, Marrama MA. Combined hepatic and renal injury in alcoholics during therapeutic use of acetaminophen. Arch Intern Med. 1985;145:2019-23.
  2. O'Dell JR, Zetterman RK, Burnett DA. Centrilobular hepatic fibrosis following acetaminophen-induced hepatic necrosis in an alcoholic. JAMA. 1986;255:2636-7.
  3. Seeff LB, Cuccherini BA, Zimmerman HJ, Adler E, Benjamin SB. Acetaminophen hepatotoxicity in alcoholics. Ann Intern Med. 1986;104:399-404.
  4. Thummel KE, Slattery JT, Nelson SD. Mechanism by which ethanol diminishes the hepatotoxicity of acetaminophen. J Pharmacol Exp Ther. 1988;245:129-36.
  5. McClain CJ, Kromhout JP, Peterson FJ, Holtzman JL. Potentiation of acetaminophen hepatotoxicity by alcohol. JAMA. 1980;244:251-3.
  6. Kartsonis A, Reddy KR, Schiff ER. Alcohol, acetaminophen, and hepatic necrosis. Ann Intern Med. 1986;105:138-9.
  7. Prescott LF, Critchley JA. Drug interactions affecting analgesic toxicity. Am J Med. 1983;75:113-6.
  8. Product Information. Tylenol (acetaminophen). McNeil Pharmaceutical. 2002;PROD.
  9. Whitcomb DC, Block GD. Association of acetaminopphen hepatotoxicity with fasting and ethanol use. JAMA. 1994;272:1845-50.
  10. Bonkovsky HL. Acetaminophen hepatotoxicity, fasting, and ethanol. JAMA. 1995;274:301.
  11. Nelson EB, Temple AR. Acetaminophen hepatotoxicity, fasting, and ethanol. JAMA. 1995;274:301.
  12. Zimmerman HJ, Maddrey WC. Acetaminophen (paracetamol) hepatotoxicity with regular intake of alcohol: analysis of instances of therapeutic misadventure. Hepatology. 1995;22:767-73.
View all 12 references

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Therapeutic duplication warnings

No duplication warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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