Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Quinidine is dosed at 6–20 mg/kg PO q6-8h in dogs, per Papich MG. Saunders Handbook of Veterinary Drugs (Small and Large Animal), Quinidine/Quinidine Sulfate monograph, printed p.701 (corpus PDF p.729). Quinidine is used in dogs for Atrial fibrillation / supraventricular arrhythmias. Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Quinidine in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Quinaglute, Quinidex
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 6–20 mg/kg | q6-8h | Short courses preferred; monitor ECG and serum levels | Atrial fibrillation / supraventricular arrhythmias | Moderate | Papich MG. Saunders Handbook of Veterinary Drugs (Small and Large Animal), Quinidine/Quinidine Sulfate monograph, printed p.701 (corpus PDF p.729) |
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Class IA antiarrhythmic that blocks sodium and potassium channels, prolonging action potential duration and effective refractory period.
Proarrhythmic (torsades de pointes risk). GI intolerance common. Monitor ECG and drug levels. Cinchonism at toxic levels.
Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Quinidine dose range in dogs, with cited source references: PO 6–20 mg/kg q6-8h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Quinidine in dogs: PO.
Cited course lengths for Quinidine in dogs include: Short courses preferred; monitor ECG and serum levels. Duration depends on the indication — match it to the specific dose rule in the table above.
Quinidine is indicated in dogs for: Atrial fibrillation / supraventricular arrhythmias.
These are general warnings for Quinidine across species; consult the dog dosing table above for species-specific guidance. Proarrhythmic (torsades de pointes risk). GI intolerance common. Monitor ECG and drug levels. Cinchonism at toxic levels.
Why a species-specific page? Quinidine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in dogs — 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.