Cat · Felis catus · typical adult weight 2.50–7.00 kg
Bretylium is dosed at 5–10 mg/kg IV Once in cats, per Plumb's Veterinary Drug Handbook, 9th Ed. Bretylium is used in cats for Ventricular fibrillation (refractory). Routes documented in cats: IV. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Bretylium in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Bretylol
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IV | 5–10 mg/kg | Once | Emergency use only | Ventricular fibrillation (refractory) | Extrapolated | Plumb's Veterinary Drug Handbook, 9th Ed |
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Adrenergic neuronal blocking agent and Class III antiarrhythmic that prolongs action potential duration and refractory period.
Initial transient release of norepinephrine may cause hypertension. Hypotension common after bolus. Reserved for life-threatening ventricular arrhythmias.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Bretylium dose range in cats, with cited source references: IV 5–10 mg/kg Once. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Bretylium in cats: IV.
Cited course lengths for Bretylium in cats include: Emergency use only. Duration depends on the indication — match it to the specific dose rule in the table above.
Bretylium is indicated in cats for: Ventricular fibrillation (refractory).
These are general warnings for Bretylium across species; consult the cat dosing table above for species-specific guidance. Initial transient release of norepinephrine may cause hypertension. Hypotension common after bolus. Reserved for life-threatening ventricular arrhythmias.
Why a species-specific page? Bretylium pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cats — 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.