Drug General Information (ID: DDI0LCYPS3)
  Drug Name Dicoumarol Drug Info Atorvastatin Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Anticoagulants Statins/Antihyperlipidemic Agents
  Structure

 Mechanism of Dicoumarol-Atorvastatin Interaction (Severity Level: Minor)
     Increased risk of bleeding Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Dicoumarol Atorvastatin
      Mechanism Vitamin K antagonist Potentiate the hypoprothrombinemic effect of vitamin K antagonist
      Key Mechanism Factor 1
Factor Name Bleeding
Factor Description Patients may be at risk for bleeding when the outcome of a disease or disease treatment confounds the standard mechanisms for maintaining hemostasis. Signs or symptoms of abnormal bleeding include: bleeding that takes a long time to stop (including nosebleeds, bleeding gums, bleeding from cuts and abrasions, and menstrual bleeding); severe unexplained bruising, or bruising that becomes larger; blood in the urine or stool, etc.
      Mechanism Description
  • Increased risk of bleeding by the combination of Dicoumarol and Atorvastatin 

References
1 Product Information. Lipitor (atorvastatin). Parke-Davis, Morris Plains, NJ.
2 Richter WO, Jacob BG, Schwandt P "Interaction between fibre and lovastatin." Lancet 338 (1991): 706. [PMID: 1679514]