Cat · Felis catus · typical adult weight 2.50–7.00 kg
Sulfadimethoxine is dosed at 27.5–55 mg/kg PO 55 mg/kg PO once on day 1, then 27.5 mg/kg PO q24h in cats, per Plumb's Veterinary Drug Handbook 10th ed., Sulfadimethoxine, Dosages > DOGS/CATS, printed p.1198 (corpus p.1225); ref 15 = ALBON - Sulfadimethoxine Tablet [US Product Label for Dogs and Cats]. Zoetis; 2019 — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 — DURATION, from the FDA ALBON label (NADA 015-102 / 043-785): "Length of treatment depends on the clinical response. In most cases treatment for 3-5 days is […]" The label prints no fixed 10-14 day course; that figure was not sourced.. Sulfadimethoxine is used in cats for Sulfadimethoxine-susceptible bacterial infections. Routes documented in cats: PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Sulfadimethoxine in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Albon
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 27.5–55 mg/kg | 55 mg/kg PO once on day 1, then 27.5 mg/kg PO q24h | Per the label, length of treatment follows clinical response: 3-5 days is adequate in most cases, continued until asymptomatic for 48 hours | Sulfadimethoxine-susceptible bacterial infections | Strong | Plumb's Veterinary Drug Handbook 10th ed., Sulfadimethoxine, Dosages > DOGS/CATS, printed p.1198 (corpus p.1225); ref 15 = ALBON - Sulfadimethoxine Tablet [US Product Label for Dogs and Cats]. Zoetis; 2019 — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 — DURATION, from the FDA ALBON label (NADA 015-102 / 043-785): "Length of treatment depends on the clinical response. In most cases treatment for 3-5 days is […]" The label prints no fixed 10-14 day course; that figure was not sourced. |
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 |
|---|---|---|---|
| 55 | PO | Papich Saunders Handbook of Veterinary Drugs, 4th edp.779 | • 55 mg/kg PO (loading dose), followed by 27.5 mg/kg q12h PO. (For doses of |
| 27.5 | PO | Papich Saunders Handbook of Veterinary Drugs, 4th edp.779 | • 55 mg/kg PO (loading dose), followed by 27.5 mg/kg q12h PO. (For doses of |
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 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 cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Sulfadimethoxine dose range in cats, with cited source references: PO 27.5–55 mg/kg 55 mg/kg PO once on day 1, then 27.5 mg/kg PO q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Sulfadimethoxine in cats: PO.
Cited course lengths for Sulfadimethoxine in cats include: Per the label, length of treatment follows clinical response: 3-5 days is adequate in most cases, continued until asymptomatic for 48 hours. Duration depends on the indication — match it to the specific dose rule in the table above.
Sulfadimethoxine is indicated in cats for: Sulfadimethoxine-susceptible bacterial infections.
These are general warnings for Sulfadimethoxine across species; consult the cat 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 cats — 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.