Pocket Pet · Mustela putorius furo · typical adult weight 0.60–2.00 kg
Sulfadimethoxine is dosed at 20–50 mg/kg PO q24h in ferrets, per Bell JA. Periparturient and neonatal diseases. In: Quesenberry KE, Carpenter JW, eds. Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery, 2nd ed., WB Saunders, St. Louis, MO; 2004:50-57. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.938 — Carpenter's Exotic Animal Formulary 6th ed, Table 11.4 (Antiparasitic Agents Used in Ferrets). Located 2026-08-05: the only table covering this species in which the drug's own row prints this dose. The copy held is an ebook conversion with no printed page numbers, so the table is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929; Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery — ISBN 9780323484350, https://openlibrary.org/isbn/9780323484350. Sulfadimethoxine is used in ferrets for Coccidiosis, Bacterial infection (general). Routes documented in ferrets: PO, PO, SC, IM. A typical adult ferret weighs 0.60–2.00 kg. ExoticRx lists 2 cited dose rules for Sulfadimethoxine in ferrets, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Albon
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 20–50 mg/kg | q24h | — | Coccidiosis | Weak | Bell JA. Periparturient and neonatal diseases. In: Quesenberry KE, Carpenter JW, eds. Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery, 2nd ed., WB Saunders, St. Louis, MO; 2004:50-57. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.938 — Carpenter's Exotic Animal Formulary 6th ed, Table 11.4 (Antiparasitic Agents Used in Ferrets). Located 2026-08-05: the only table covering this species in which the drug's own row prints this dose. The copy held is an ebook conversion with no printed page numbers, so the table is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929; Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery — ISBN 9780323484350, https://openlibrary.org/isbn/9780323484350 |
| PO, SC, IM | 25 mg/kg | q24h | x 9-10 days (sources differ: 9 vs 10) | Bacterial infection (general) | Weak | Morrisey JK, Carpenter JW, et al. Formulary. In: Quesenberry KE, OrcuttCJ, Mans C, et al. Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery, 4th ed., Elsevier, St. Louis, MO; 2021:620-630. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.933 — Carpenter's Exotic Animal Formulary 6th ed, Table 11.1 (Antimicrobial Agents Used in Ferrets). Located 2026-08-05: the only table covering this species in which the drug's own row prints this dose. The copy held is an ebook conversion with no printed page numbers, so the table is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929; Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery — ISBN 9780323484350, https://openlibrary.org/isbn/9780323484350 [w3r2 2026-08-14] ATTRIBUTION: the regimen is printed by Carpenter 6th ed, Table 11.1 (Antimicrobial Agents Used in Ferrets), row "Sulfadimethoxine 25 mg/kg PO, SC, IM q24h88" with an empty Comments cell. The NAMED PRIMARY does not print it - Ferrets Rabbits and Rodents 4th ed carries no sulfadimethoxine row in Table A.1 at all, and its only ferret entry is Table A.3, printed p.625, "50 mg/kg PO once, then 25 mg/kg q24h x 10 days". BSAVA Small Animal Formulary Part B printed p.275 prints "Ferrets: 50 mg/kg p.o. once, then 25 mg/kg p.o. q24h for 5-10 days". Both upstream texts bound the course and frame the drug as an anticoccidial, and Carpenter ferret Table 11.4 prints "Sulfadimethoxine 20-50 mg/kg PO q24h - Coccidia". UNSOURCED AT THE NAMED PRIMARY, not unsafe. COURSE BOUND ADDED 2026-08-18: the rule served 25 mg/kg q24h with no course. Three held texts print one, consistently, as the maintenance half of a loading regimen. Carpenter's Exotic Animal Formulary 6th ed corpus p.938, ferret row: "50 mg/kg PO, then 25 mg/kg q24h x 9 days". BSAVA Emergency and Critical Care corpus p.243: "Sulfadimethoxine: 50 mg/kg PO, then 25 mg/kg PO q24h x 9d". Ferret and Rabbit Reference corpus p.637, ferret column: "50 mg/kg PO once, then 25 mg/kg q24h x 10 days". |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
The sources disagree for this combination. The ranges below do not overlap on a comparable route. This is not an error in one of them — published veterinary references differ, and reconciling them for a particular patient is a clinical judgement.
| Dose (%) | Route | Source | As printed |
|---|---|---|---|
| 12.5 | — | Carpenter's Exotic Animal Formulary, 6th edTable 11.4 | 0.5 mL/kg of a 12.5% solution mixed into drinking water |
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 50 | PO | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.289 | e, then 25 mg/kg p.o. q24h for 5-10 days; Rabbits, Rodents: 50 mg/kg p.o. once, then 25 mg/kg p.o. q24h for 10-20 days |
| 25 |
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Inhibits dihydropteroate synthase in the folate synthesis pathway. Long-acting sulfonamide with bacteriostatic activity.
Ensure adequate hydration (crystalluria risk). Monitor CBC with prolonged use. KCS risk in dogs. Avoid in animals with hepatic disease.
Species-specific contraindications and adverse-reaction reports for ferrets may differ from canine / feline reference data — consult the primary citations listed with each rule.
Sulfadimethoxine dose ranges in ferrets, with cited source references: PO 20–50 mg/kg q24h; PO, SC, IM 25 mg/kg q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Sulfadimethoxine in ferrets: PO, PO, SC, IM.
Cited course lengths for Sulfadimethoxine in ferrets include: x 9-10 days (sources differ: 9 vs 10). Duration depends on the indication — match it to the specific dose rule in the table above.
Sulfadimethoxine is indicated in ferrets for: Coccidiosis, Bacterial infection (general).
These are general warnings for Sulfadimethoxine across species; consult the ferret dosing table above for species-specific guidance. Ensure adequate hydration (crystalluria risk). Monitor CBC with prolonged use. KCS risk in dogs. Avoid in animals with hepatic disease.
Why a species-specific page? Sulfadimethoxine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in ferrets — 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.
| PO |
| BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.289 |
| 50 mg/kg p.o. once, then 25 mg/kg p.o. q24h for 5-10 days; Rabbits, Rodents: 50 mg/kg p.o. once, then 25 mg/kg p.o. q24h fo |
| 50 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 11.4 | 20-50 mg/kg PO q24h 50 mg/kg PO, then 25 mg/kg q24h × 9 days |
| 25 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 11.4 | 20-50 mg/kg PO q24h 50 mg/kg PO, then 25 mg/kg q24h × 9 days |
| 30–50 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 11.1 | 25 mg/kg PO, SC, IM q24h 30-50 mg/kg PO q12-24h |
| 20–50 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 11.4 | 20-50 mg/kg PO q24h 50 mg/kg PO, then 25 mg/kg q24h × 9 days |
| Dose (ml/kg) | Route | Source | As printed |
|---|---|---|---|
| 0.5 | — | Carpenter's Exotic Animal Formulary, 6th edTable 11.4 | 0.5 mL/kg of a 12.5% solution mixed into drinking water |
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.