Butorphanol for Guinea Pig
Pocket Pet · Cavia porcellus · typical adult weight 0.70–1.20 kg
Butorphanol is used in guinea pig for Pre-anesthetic sedation, Pain management. Routes documented in guinea pig: IM, SC. A typical adult guinea pig weighs 0.70–1.20 kg. ExoticRx lists 2 cited dose rules for Butorphanol in guinea pig, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Torbugesic, Torbutrol
Dose ranges
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These ranges are per kg. Enter your guinea pig's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
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 guinea pig may differ from canine / feline reference data — consult the primary citations listed with each rule.
Other Analgesic drugs with guinea pig dosing
Butorphanol dosing in other species
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 guinea pig — 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.