Pocket Pet · Rattus norvegicus var. domestica · typical adult weight 0.25–0.70 kg
Fipronil is dosed at 7.5 mg/kg topical q30-60d in pet rats, per Meredith A. BSAVA Small Animal Formulary: Part B: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, Gloucester, UK; 2015. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.777 (2026-08-01, PENDING REVIEW). Fipronil is used in pet rats for Fleas, ticks and lice. Routes documented in pet rats: topical. A typical adult pet rat weighs 0.25–0.70 kg. ExoticRx lists 1 cited dose rule for Fipronil in pet rats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Frontline
Contraindicated in Rabbit
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| topical | 7.5 mg/kg | q30-60d | Fleas, ticks and lice | Moderate | Meredith A. BSAVA Small Animal Formulary: Part B: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, Gloucester, UK; 2015. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.777 (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.
Blocks GABA-gated chloride channels in invertebrate nervous system, causing hyperexcitation and death of fleas and ticks.
TOXIC to rabbits. External use only. May cause transient skin irritation. Seizures reported in rabbits — do NOT use in rabbits. Safe in dogs and cats.
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.
Fipronil dose range in pet rats, with cited source references: topical 7.5 mg/kg q30-60d. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Fipronil in pet rats: topical.
Fipronil is indicated in pet rats for: Fleas, ticks and lice.
These are general warnings for Fipronil across species; consult the pet rat dosing table above for species-specific guidance. TOXIC to rabbits. External use only. May cause transient skin irritation. Seizures reported in rabbits — do NOT use in rabbits. Safe in dogs and cats.
Why a species-specific page? Fipronil 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.