What is the dose of Butorphanol for Horse?

Butorphanol dose range in horse, with cited primary-source references: IV 0.01–0.04 mg/kg q3-4h.

How is Butorphanol administered in Horse?

Documented routes for Butorphanol in horse: IV.

What conditions does Butorphanol treat in Horse?

Butorphanol is indicated in horse for: Analgesia, sedation adjunct.

What are the side effects of Butorphanol in Horse?

These are general warnings for Butorphanol across species; consult the horse dosing table above for species-specific guidance. Short duration of action (1-2 hours). Better for visceral than somatic pain. Ceiling effect on analgesia. May cause sedation and mild respiratory depression.

Butorphanol for Horse

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

Butorphanol is used in horse for Analgesia, sedation adjunct. Routes documented in horse: IV. A typical adult horse weighs 350.00–700.00 kg. ExoticRx lists 1 cited dose rule for Butorphanol in horse, drawn from published veterinary references. Verify against current literature before clinical use.

Trade names: Torbugesic, Torbutrol

Dose ranges

Route	Dose	Frequency	Indication	Evidence	Source
IV	0.01–0.04 mg/kg	q3-4h	Analgesia, sedation adjunct	Strong	Plumb's Veterinary Drug Handbook, 9th Ed

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Mechanism of action

Kappa-opioid receptor agonist and mu-opioid receptor antagonist. Provides visceral analgesia and sedation.

Side effects & warnings

Short duration of action (1-2 hours). Better for visceral than somatic pain. Ceiling effect on analgesia. May cause sedation and mild respiratory depression.

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 Analgesic drugs with horse dosing

Dimethyl Sulfoxide Flunixin Meglumine Meloxicam Phenylbutazone Tramadol

Butorphanol dosing in other species

African Grey Parrot African Pygmy Hedgehog Ball Python Bearded Dragon Cat Cattle Dog Ferret

See all species for Butorphanol See all drugs for Horse

Why a species-specific page? Butorphanol 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.