Drug General Information (ID: DDIGSJEVAM)
  Drug Name Oxytetracycline Drug Info Amoxicillin Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Antibiotics Antibiotics
  Structure

 Mechanism of Oxytetracycline-Amoxicillin Interaction (Severity Level: Moderate)
     Attenuated pharmacological effects (Unspecific) Click to Show/Hide Mechanism Graph
      Drug Name Oxytetracycline Amoxicillin
      Mechanism Bacteriostatic agent
Change actively growing bacteria into static ones 
Bactericidal agent
Bactericidal activity requires bacterial growth 
      Key Mechanism Factor 1
Factor Name Pharmacodynamics
Factor Description Reduced pharmacological effects leading to insufficient efficacy and/or treatment failure.
      Mechanism Description
  • Attenuated pharmacological effects of  Oxytetracycline when combined with Amoxicillin 

Recommended Action
      Management This combination should be avoided if possible.

References
1 Product Information. Seysara (sarecycline). Allergan Inc, Irvine, CA.
2 Jawetz E "Synergism and antagonism among antimicrobial drugs: a personal perspective." West J Med 123 (1975): 87-91
3 Olsson RA, Kirby JC, Romansky MJ "Pneumococcal meningitis in the adult." Ann Intern Med 55 (1961): 545-9