Drug General Information (ID: DDIFL24UZ9)
  Drug Name Cimetidine Drug Info Ethanol Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Antiulcer Agents Analgesics
  Structure

 Mechanism of Cimetidine-Ethanol Interaction (Severity Level: Minor)
     Non-CYP450 enzyme inhibition Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Cimetidine Ethanol
      Mechanism Alcohol dehydrogenase inhibitor Alcohol dehydrogenase substrate
      Key Mechanism Factor 1
Factor Name Alcohol dehydrogenase Structure Sequence
Protein Family Zinc-containing alcohol dehydrogenase family
Protein Function
Alcohol dehydrogenase (PubMed:2738060). Oxidizes primary as well as secondary alcohols. Ethanol is a very poor substrate (PubMed:2738060).
    Click to Show/Hide
      Mechanism Description
  • Decreased metabolism of Ethanol caused by Cimetidine mediated inhibition of non-CYP450 enzyme

References
1 Feely J, Wood AJ "Effects of cimetidine on the elimination and actions of ethanol." JAMA 247 (1982): 2819-21. [PMID: 7043008]
2 Hansten PD "Effects of H2-receptor antagonists on blood alcohol levels." JAMA 267 (1992): 2469. [PMID: 1349357]