Pocket Pet · Rattus norvegicus var. domestica · typical adult weight 0.25–0.70 kg
Amoxicillin is dosed at 10–20 mg/kg PO q12h in pet rats, per Visser C, Wijnbergen A, Bleich A. Maeuse und ratten. In: Fehr M, Sassenburg L, Zwart P, eds. Krankheiten der Heimtiere, Schluetersche Verlagsgesellschaft, Hannover, Germany; 2015. — Verified against Carpenter's Exotic Animal Formulary, 6th Ed, p.770 (2026-08-01). — Carpenter's Exotic Animal Formulary 6th ed, Table 9.1 (Antimicrobial and Antifungal Agents Used in Rodents.a). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929. Amoxicillin is used in pet rats for Bite wound / abscess. Routes documented in pet rats: PO. A typical adult pet rat weighs 0.25–0.70 kg. ExoticRx lists 1 cited dose rule for Amoxicillin in pet rats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Amoxi-Tabs, Amoxil
Contraindicated in Rabbit, Guinea Pig, Chinchilla, Hamster, Degu
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 10–20 mg/kg | q12h | Bite wound / abscess | Moderate | Visser C, Wijnbergen A, Bleich A. Maeuse und ratten. In: Fehr M, Sassenburg L, Zwart P, eds. Krankheiten der Heimtiere, Schluetersche Verlagsgesellschaft, Hannover, Germany; 2015. — Verified against Carpenter's Exotic Animal Formulary, 6th Ed, p.770 (2026-08-01). — Carpenter's Exotic Animal Formulary 6th ed, Table 9.1 (Antimicrobial and Antifungal Agents Used in Rodents.a). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 10–15 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 9.1 | 10-15 mg/kg PO q12h |
| 25 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 9.1 | 25 mg/kg PO q12h |
| 100–150 | IM | Carpenter's Exotic Animal Formulary, 6th edTable 9.1 | 100-150 mg/kg IM, SC 0.25 mg/mL drinking water × 7 days |
| 20 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 9.1 | 20 mg/kg PO q12h |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.
Need the exact dose for your patient?
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.
Inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs).
CONTRAINDICATED in rabbits, guinea pigs, and hamsters (fatal dysbiosis). May cause GI upset. Cross-reactivity with other beta-lactams.
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.
Amoxicillin dose range in pet rats, with cited source references: PO 10–20 mg/kg q12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Amoxicillin in pet rats: PO.
Amoxicillin is indicated in pet rats for: Bite wound / abscess.
These are general warnings for Amoxicillin across species; consult the pet rat dosing table above for species-specific guidance. CONTRAINDICATED in rabbits, guinea pigs, and hamsters (fatal dysbiosis). May cause GI upset. Cross-reactivity with other beta-lactams.
Why a species-specific page? Amoxicillin 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.