Drug General Information (ID: DDIDBZFSHG)
  Drug Name Famotidine Drug Info Probenecid Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Antiulcer Agents Uricosuric Agents
  Structure

 Mechanism of Famotidine-Probenecid Interaction (Severity Level: Minor)
     Competitive inhibition of renal tubular secretion Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Famotidine Probenecid
      Mechanism Famotidine Competitive inhibition of renal tubular secretion of famotidine
      Key Mechanism Factor 1
Factor Name Renal tubular secretion
Factor Description Renal tubular secretion allows selective transfer of substances from the blood around the capillaries into the renal tubules via filtrate. Drug excretion may be reduced when two drugs compete for renal tubular secretion.
      Mechanism Description
  • Decreased elimination of Famotidine caused by Probenecid mediated competitive inhibition of renal tubular secretion

References
1 Inotsume N, Nishimura M, Nakano M, Fujiyama S, Sato T "The inhibitory effect of probenecid on renal excretion of famotidine in young, healthy volunteers." J Clin Pharmacol 30 (1990): 50-6. [PMID: 2303581]