Cat · Felis catus · typical adult weight 2.50–7.00 kg
Metronidazole is used in cat for Severe anaerobic infections, peritonitis, Anaerobic infections, Giardia, IBD, Inflammatory bowel disease. Routes documented in cat: IV, PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 3 cited dose rules for Metronidazole in cat, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Flagyl
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IV | 10–15 mg/kg | q12h | Until oral feasible | Severe anaerobic infections, peritonitis | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed |
| PO | 10–25 mg/kg | q12-24h | 5-7 days for Giardia; 14+ days for IBD | Anaerobic infections, Giardia, IBD | Strong | Plumb's Veterinary Drug Handbook, 9th Ed |
| PO | 10–15 mg/kg | q12h | 21-28 days trial | Inflammatory bowel disease | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed |
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Disrupts DNA structure in anaerobic organisms via reduction of nitro group, forming cytotoxic intermediates.
Neurotoxicity at high doses or prolonged use (ataxia, seizures). Avoid in pregnant animals. Hepatotoxic at high doses.
Species-specific contraindications and adverse-reaction reports for cat may differ from canine / feline reference data — consult the primary citations listed with each rule.
Why a species-specific page? Metronidazole pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cat — 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.