Cat · Felis catus · typical adult weight 2.50–7.00 kg
Enrofloxacin is dosed at 5 mg/kg IM q24h in cats, per Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.480 (2026-08-01).. Enrofloxacin is used in cats for Bacterial infections when oral not feasible, Severe systemic infections, Bacterial infections (skin, UTI, respiratory), Mycoplasma haemofelis. Routes documented in cats: IM, IV, PO, SC. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 5 cited dose rules for Enrofloxacin in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Baytril
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IM | 5 mg/kg | q24h | Until oral feasible | Bacterial infections when oral not feasible | Strong | Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.480 (2026-08-01). |
| IV | 5 mg/kg | q24h | Until oral feasible | Severe systemic infections | Strong | Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.480 (2026-08-01). |
| PO | 5 mg/kg | q24h | 7-14 days | Bacterial infections (skin, UTI, respiratory) | Strong | Baytril - Enrofloxacin Tablet, Coated [US Product Label for Dogs and Cats]. Elanco US Inc; 2020. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=5012fe70-6394-45f5-be75-04297e39574d — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.480 (2026-08-01). |
| PO | 5 mg/kg | q24h | 14-21 days | Mycoplasma haemofelis | Moderate | Baytril - Enrofloxacin Tablet, Coated [US Product Label for Dogs and Cats]. Elanco US Inc; 2020. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=5012fe70-6394-45f5-be75-04297e39574d — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.480 (2026-08-01). |
| SC | 5 mg/kg | q24h | 7-14 days | Bacterial infections | Strong | Plumb's Veterinary Drug Handbook, 9th Ed |
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These ranges are per kg. Enter your cat's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Inhibits bacterial DNA gyrase and topoisomerase IV, preventing DNA replication and transcription.
Avoid in growing animals (cartilage damage). Do NOT use in cats at doses >5mg/kg (retinal toxicity). Avoid concurrent use with theophylline.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Enrofloxacin dose ranges in cats, with cited source references: IM 5 mg/kg q24h; IV 5 mg/kg q24h; PO 5 mg/kg q24h; PO 5 mg/kg q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Enrofloxacin in cats: IM, IV, PO, SC.
Cited course lengths for Enrofloxacin in cats include: Until oral feasible; 7-14 days; 14-21 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Enrofloxacin is indicated in cats for: Bacterial infections when oral not feasible, Severe systemic infections, Bacterial infections (skin, UTI, respiratory), Mycoplasma haemofelis, Bacterial infections.
These are general warnings for Enrofloxacin across species; consult the cat dosing table above for species-specific guidance. Avoid in growing animals (cartilage damage). Do NOT use in cats at doses >5mg/kg (retinal toxicity). Avoid concurrent use with theophylline.
Why a species-specific page? Enrofloxacin pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cats — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.