Sulfadimethoxine for Horse
Equine · Equus caballus · typical adult weight 350.00–700.00 kg
Sulfadimethoxine is used in horse for EPM (with pyrimethamine), coccidiosis in foals. Routes documented in horse: PO. A typical adult horse weighs 350.00–700.00 kg. ExoticRx lists 1 cited dose rule for Sulfadimethoxine in horse, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Albon
Dose ranges
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 20–30 mg/kg | q24h | 28 days for EPM | EPM (with pyrimethamine), coccidiosis in foals | Strong | Plumb's Veterinary Drug Handbook |
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These ranges are per kg. Enter your horse's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Mechanism of action
Inhibits dihydropteroate synthase in the folate synthesis pathway. Long-acting sulfonamide with bacteriostatic activity.
Side effects & warnings
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 horse may differ from canine / feline reference data — consult the primary citations listed with each rule.
Other Antibiotic drugs with horse dosing
Sulfadimethoxine dosing in other species
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 horse — 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.