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Enrofloxacin

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Why has my veterinarian prescribed this medicine?

Your pet has been prescribed Baytril (enrofloxacin), a fluoroquinolone antibiotic with a broad spectrum against Gram positive and Gram negative bacteria.

Adverse effects:

The following are reported side effects in dogs, list

ed in decreasing order of frequency:

  • Gastrointestinal: anorexia, diarrhea, vomiting, elevated liver enzymes
  • Neurologic: ataxia, seizures
  • Behavioural: Depression, lethargy, nervousness

The following are reported side effects in cats, listed in decreasing order of frequency:

  • Ocular: loss of vision, retinal abnormalities (retinal degeneration, retinal atrophy, attenuated retinal vessels, and hyperreflective tapeta), mydriasis
  • Gastrointestinal: vomiting, anorexia, elevated liver enzymes, diarrhea
  • Neurologic: ataxia, seizures
  • Behavioural: depression, lethargy, vocalization, aggression

Storage and handling:

Do not store above 40°

Please see the prescription label for dosing information and means of administration.

Always follow the label instructions. Never administer any medication unless prescribed by a veterinarian. Keep out of reach of children.

Bayer Baytril Flavored tablets monograph (package insert)

© Copyright 2025 LifeLearn Inc. Used and/or modified with permission under license. This content written by LifeLearn Animal Health (LifeLearn Inc.) is licensed to this practice for the personal use of our clients. Any copying, printing or further distribution is prohibited without the express written consent of LifeLearn. This content does not contain all available information for any referenced medications and has not been reviewed by the FDA Center for Veterinary Medicine, or Health Canada Veterinary Drugs Directorate. This content may help answer commonly asked questions, but is not a substitute for medical advice, or a proper consultation and/or clinical examination of your pet by a veterinarian. Please contact your veterinarian if you have any questions or concerns about your pet’s health. Last updated on Nov 24, 2021.