Pocket Pet · Rattus norvegicus var. domestica · typical adult weight 0.25–0.70 kg
Metronidazole is dosed at 10–40 mg/kg PO q24h in pet rats, per Morrisey JK, Carpenter JW. Formulary. In: Quesenberry KE, Carpenter JW, eds. Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery, 4th ed., Elsevier, St. Louis, MO; 2021:620-630. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.773 (2026-08-01, PENDING REVIEW). Metronidazole is used in pet rats for Anaerobic bacterial infection. Routes documented in pet rats: PO. A typical adult pet rat weighs 0.25–0.70 kg. ExoticRx lists 1 cited dose rule for Metronidazole in pet rats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Flagyl
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 10–40 mg/kg | q24h | Anaerobic bacterial infection | Moderate | Morrisey JK, Carpenter JW. Formulary. In: Quesenberry KE, Carpenter JW, eds. Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery, 4th ed., Elsevier, St. Louis, MO; 2021:620-630. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.773 (2026-08-01, PENDING REVIEW) |
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These ranges are per kg. Enter your pet rat's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
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 pet rats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Metronidazole dose range in pet rats, with cited source references: PO 10–40 mg/kg q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Metronidazole in pet rats: PO.
Metronidazole is indicated in pet rats for: Anaerobic bacterial infection.
These are general warnings for Metronidazole across species; consult the pet rat dosing table above for species-specific guidance. Neurotoxicity at high doses or prolonged use (ataxia, seizures). Avoid in pregnant animals. Hepatotoxic at high doses.
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 pet rats — 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.