Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Bretylium is used in dog for Ventricular fibrillation/tachycardia (refractory). Routes documented in dog: IV. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Bretylium in dog, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Bretylol
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IV | 5–10 mg/kg | Once, may repeat in 20 min | Emergency use only; single or few doses | Ventricular fibrillation/tachycardia (refractory) | Weak | Plumb's Veterinary Drug Handbook, 9th Ed |
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These ranges are per kg. Enter your dog's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
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 dog may differ from canine / feline reference data — consult the primary citations listed with each rule.
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 dog — 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.