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Isoxsuprine for Horse

Equine · Equus caballus · typical adult weight 350.00–700.00 kg

Isoxsuprine is used in horse for Navicular syndrome, peripheral vasodilation, Navicular disease. Routes documented in horse: PO. A typical adult horse weighs 350.00–700.00 kg. ExoticRx lists 2 cited dose rules for Isoxsuprine in horse, drawn from published veterinary references. Verify against current literature before clinical use.

Trade names: Vasodilan

Dose ranges

RouteDoseFrequencyDurationIndicationEvidenceSource
PO0.6 mg/kgq12h6-12 weeksNavicular syndrome, peripheral vasodilationWeakPlumb's Veterinary Drug Handbook, 9th Ed
PO0.6–1.2 mg/kgq12h6-12 weeks trial; long-term if beneficialNavicular diseaseWeakPlumb'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.

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Mechanism of action

Peripheral vasodilator with beta-adrenergic stimulant properties. Increases blood flow to extremities including digital circulation in horses.

Side effects & warnings

Used in horses for navicular disease to improve digital blood flow. Efficacy debated in recent literature. May cause tachycardia. Not for use in horses intended for food.

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 Cardiovascular drugs with horse dosing

Why a species-specific page? Isoxsuprine 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.