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Alfaxalone

Alfaxan

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Sourced from primary literature. Awaiting credentialed clinical reviewer — our editorial process.

Drug Class

Anesthetic

Routes

IVIM

Indications

Anaesthesia inductionAnaesthesia induction (chamber alternative)Anesthetic inductionInduction of general anesthesiaMinor procedure sedationRestraintSedationSeizure control (emergency)Short procedure anesthesia (endoscopy)Short procedure sedation (minor)short procedures

Mechanism of Action

Neuroactive steroid that modulates GABA-A receptors, producing dose-dependent sedation to general anesthesia.

Side effects & warnings

Apnea with rapid IV injection — titrate slowly. No analgesic properties. Short shelf life once broached (use within 6 hours unless preserved formulation). Good safety profile in exotic species.

Species with Alfaxalone dosing data (42 dose rules)

Evidence levels across 42 dose rules

Strong×8Moderate×34

Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.

Backed by 6 published primary sources

  • · Carpenter 6e
  • · Carpenter's Exotic Animal Formulary, 6th Ed
  • · ExoticRx 2026 (chinchilla dosing guide); Doss & Mans, Vet Clin Exot Anim 2017
  • · ExoticRx 2026 (ferret dosing guide); Carpenter 6e
  • · ExoticRx 2026 (hedgehog dosing guide); Mori & Hedley 2019
  • · Plumb's Veterinary Drug Handbook, 9th Ed

Sample dosing (2 of 42 cited rules)

Free-tier preview — dog and cat dosing. Pro and Student unlock all 10 species including reptiles, birds, pocket pets, livestock, and equine.

SpeciesRouteDoseFrequencyEvidenceSource
Dog (Domestic)IM3–5 mg/kgonceModeratePlumb's Veterinary Drug Handbook, 9th Ed
Dog (Domestic)IM3–5 mg/kgonceModeratePlumb's Veterinary Drug Handbook, 9th Ed

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Other formulations of Alfaxalone