Cat · Felis catus · typical adult weight 2.50–7.00 kg
Methohexital is used in cat for Ultra-short anesthetic induction. Routes documented in cat: IV. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Methohexital in cat, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Brevital
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IV | 3–6 mg/kg | Single dose IV to effect | 5-10 minutes | Ultra-short anesthetic induction | Weak | Plumb's Veterinary Drug Handbook, 9th Ed |
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Ultra-short acting barbiturate that enhances GABA-A receptor activity and blocks AMPA receptors. Rapid onset and very short duration of action.
Causes respiratory depression. Perivascular injection causes tissue necrosis. Not analgesic. Causes excitatory phenomena (tremors, hiccoughs). Recovery may be rough in sighthounds.
Species-specific contraindications and adverse-reaction reports for cat may differ from canine / feline reference data — consult the primary citations listed with each rule.
Why a species-specific page? Methohexital pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cat — 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.