Brand Names:
Baytril, Enrotril


Drug Type: Antibiotic

Enrofloxacin (Baytril, Enrotril)


Enrofloxacin (Baytril, Enrotril) is a fluroquinolone, broad-spectrum antibiotic which is useful for treating a wide range of bacterial infections in birds. Baytril is the veterinary-labeled form of ciprofloxacin, which is also a fluroquinolone antibiotic used in humans. Fluroquinolone antibiotics are the drug of choice against Mycoplasma, some gram-positive bacteria, and most gram-negative bacteria (includes Escherichia coli, and Salmonella).

Caution: Poultry taking this medication should be concurrently monitored for signs of secondary infections, especially those caused by yeast (
available in tablet form, as an injection and as an oral syrup. The oral syrup can be given directly to the mouth or dissolved in the drinking water. Due to its bitter taste, it may be necessary to mix the drug with another medium such as apple sauce or fruit juice to improve the taste. The drug is less effective when administered in drinking water.
10-30 mg/kg given twice daily, by mouth, usually for 3-5 consecutive days. The later (5 days), is usually indicated for birds with mixed infections and/or chronic progressive forms of infection. If there are no signs of improvement within the first 2-3 days, an alternate antibiotic should be considered and selected based on susceptibility testing.
  • Muscle necrosis at the injection site, if given IM
  • Behavioral changes
  • Secondary infections