Pocket Pet · Mus musculus · typical adult weight 0.02–0.04 kg
Butorphanol is dosed at 1–5 mg/kg SC every 2 hours in mice, per Oh SS, Narver HL. Mouse and Rat Anesthesia and Analgesia. Curr Protoc. 2024 Feb;4(2):e995. doi:10.1002/cpz1.995. PMID: 38406895; PMCID: PMC10914332. URL: https://pmc.ncbi.nlm.nih.gov/articles/PMC10914332/. Butorphanol is used in mice for Analgesia. Routes documented in mice: SC. A typical adult mouse weighs 0.02–0.04 kg. ExoticRx lists 1 cited dose rule for Butorphanol in mice, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Torbugesic, Torbutrol
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| SC | 1–5 mg/kg | every 2 hours | Analgesia | Weak | Oh SS, Narver HL. Mouse and Rat Anesthesia and Analgesia. Curr Protoc. 2024 Feb;4(2):e995. doi:10.1002/cpz1.995. PMID: 38406895; PMCID: PMC10914332. URL: https://pmc.ncbi.nlm.nih.gov/articles/PMC10914332/ |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 0.2–2 | — | Carpenter's Exotic Animal Formulary, 6th edTable 9.4 | 0.2-2 mg/kg q2-4h,130 |
| 1–2 | SC | Carpenter's Exotic Animal Formulary, 6th edTable 9.4 | 1-2 mg/kg SC q4h |
| 1–5 | SC | Carpenter's Exotic Animal Formulary, 6th edTable 9.4 | 1-5 mg/kg SC q4h,122,130 |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.
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Kappa-opioid receptor agonist and mu-opioid receptor antagonist. Provides visceral analgesia and sedation.
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 mice may differ from canine / feline reference data — consult the primary citations listed with each rule.
Butorphanol dose range in mice, with cited source references: SC 1–5 mg/kg every 2 hours. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Butorphanol in mice: SC.
Butorphanol is indicated in mice for: Analgesia.
These are general warnings for Butorphanol across species; consult the mouse 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.
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 mice — 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.