Pocket Pet · Oryctolagus cuniculus · typical adult weight 1.00–5.00 kg
Methimazole is dosed at 1.4 mg/kg PO q24h in rabbits, per DiGeronimo PM, Brandao J. Update on thyroid disease in rabbits and guinea pigs. In: Wyre NR, Chen S, eds. Vet Clin North Am Exot Anim Pract: New and Emerging Diseases: an Update; 2020;23:373-381. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.879 doi:10.1016/j.cvex.2020.01.007 — Carpenter's Exotic Animal Formulary 6th ed, Table 10.10 (Miscellaneous Agents Used in Rabbits). 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. Methimazole is used in rabbits for Hyperthyroidism. Routes documented in rabbits: PO. A typical adult rabbit weighs 1.00–5.00 kg. ExoticRx lists 1 cited dose rule for Methimazole in rabbits, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Tapazole, Felimazole
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 1.4 mg/kg | q24h | Hyperthyroidism | Moderate | DiGeronimo PM, Brandao J. Update on thyroid disease in rabbits and guinea pigs. In: Wyre NR, Chen S, eds. Vet Clin North Am Exot Anim Pract: New and Emerging Diseases: an Update; 2020;23:373-381. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.879 doi:10.1016/j.cvex.2020.01.007 — Carpenter's Exotic Animal Formulary 6th ed, Table 10.10 (Miscellaneous Agents Used in Rabbits). 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 |
|---|---|---|---|
| 1.4 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 10.10 | 1.4 mg/kg q24h PO |
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.
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Inhibits thyroid peroxidase, blocking iodine organification and thyroid hormone synthesis. Does not destroy thyroid tissue.
Cats: monitor renal function (treating hyperthyroidism may unmask underlying renal disease). Side effects include anorexia, vomiting, facial pruritus, and blood dyscrasias. Monitor CBC and liver enzymes.
Species-specific contraindications and adverse-reaction reports for rabbits may differ from canine / feline reference data — consult the primary citations listed with each rule.
Methimazole dose range in rabbits, with cited source references: PO 1.4 mg/kg q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Methimazole in rabbits: PO.
Methimazole is indicated in rabbits for: Hyperthyroidism.
These are general warnings for Methimazole across species; consult the rabbit dosing table above for species-specific guidance. Cats: monitor renal function (treating hyperthyroidism may unmask underlying renal disease). Side effects include anorexia, vomiting, facial pruritus, and blood dyscrasias. Monitor CBC and liver enzymes.
Why a species-specific page? Methimazole pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in rabbits — 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.