Brand Names:
Terramycin, Bio-cox, Robenz, Neo-terramycin, Neo-oxtc, Oxtc, Liquamycin

Drug Type: Antibiotic


Oxytetracycline is a broad-spectrum tetracycline antibiotic known for its activity against a wide range of infections. It was the second of the tetracyclines to be discovered.

Oxytetracycline is indicated for treatment of infections caused by a variety of Gram positive and Gram negative microorganisms including Pasteurella multocida (Fowl cholera), Escherichia coli, Mycoplasma, and Chlamydia.

It is mostly available in oral formations. Injectable formulations are available for some compounds but may cause necrosis at the site of injection.
Ophathalmic ointment, suspension
5 mg/kg SC, IM q12-24h | 2500 mg/L drinking water and 2500 mg/kg feed| Applied topically directly to eye
  • If given IM, can cause muscle necrosis at the injection site.
  • Nephrotoxic
  • Photosensitivity
  • Decreased immunity
  • Disruption of normal gut flora
  • More susceptible to infection with secondary pathogens