Drug General Information (ID: DDIPDLCYA0)
  Drug Name Sucralfate Drug Info Digoxin Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Gi Agents Antiarrhythmic Agents
  Structure

 Mechanism of Sucralfate-Digoxin Interaction (Severity Level: Moderate)
     Complex formation Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Sucralfate Digoxin
      Mechanism Polyvalent cations Binds to polyvalent cations
      Key Mechanism Factor 1
Factor Name Chelation
Factor Description Chelation is a direct drug interaction that usually involves the formation of dimers or trimers, resulting in larger complexes and poorer absorption.
      Mechanism Description
  • Decreased absorption of Sucralfate due to formation of complexes caused by Digoxin 

Recommended Action
      Management Digitalis should be administered at least two hours before or 6 hours after sucralfate. Patients should be advised to notify their doctor if they experience worsening of their heart symptoms.

References
1 McCarthy DM "Sucralfate." N Engl J Med 325 (1991): 1017-25. [PMID: 1886624]
2 Product Information. Carafate (sucralfate). Hoechst Marion-Roussel Inc, Kansas City, MO.
3 Rey AM, Gums JG "Altered absorption of digoxin, sustained-release quinidine, and warfarin with sucralfate administration." DICP 25 (1991): 745-6. [PMID: 1949932]