Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Sulfadimethoxine is dosed at 55 mg/kg PO q24h (loading), then q24h maintenance at half dose in dogs, per ALBON - Sulfadimethoxine Tablet [US Product Label for Dogs and Cats]. Zoetis; 2019. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=adc0eb45-6378-4702-817a-764ddb5ae605 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1225 (2026-08-01). — Plumb's 10th ed (held) printed p.1198, Sulfadimethoxine monograph spanning p.1197-1199; page located 2026-08-05 from the book's own running heads, and carries this exact dose under the matching species heading. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207. Sulfadimethoxine is used in dogs for Sulfadimethoxine-susceptible bacterial infections - bacterial enteritis associated with coccidiosis (label indication). Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Sulfadimethoxine in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Albon
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 55 mg/kg | q24h (loading), then q24h maintenance at half dose | 10-14 days | Sulfadimethoxine-susceptible bacterial infections - bacterial enteritis associated with coccidiosis (label indication) | Strong | ALBON - Sulfadimethoxine Tablet [US Product Label for Dogs and Cats]. Zoetis; 2019. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=adc0eb45-6378-4702-817a-764ddb5ae605 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1225 (2026-08-01). — Plumb's 10th ed (held) printed p.1198, Sulfadimethoxine monograph spanning p.1197-1199; page located 2026-08-05 from the book's own running heads, and carries this exact dose under the matching species heading. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
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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These ranges are per kg. Enter your dog's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
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 dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Sulfadimethoxine dose range in dogs, with cited source references: PO 55 mg/kg q24h (loading), then q24h maintenance at half dose. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Sulfadimethoxine in dogs: PO.
Cited course lengths for Sulfadimethoxine in dogs include: 10-14 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Sulfadimethoxine is indicated in dogs for: Sulfadimethoxine-susceptible bacterial infections - bacterial enteritis associated with coccidiosis (label indication).
These are general warnings for Sulfadimethoxine across species; consult the dog 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 dogs — 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.