Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Flecainide is dosed at 1–4 mg/kg PO q8-12h in dogs, per Plumb's Veterinary Drug Handbook, 9th Ed. Flecainide is used in dogs for Ventricular arrhythmias. Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Flecainide in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Tambocor
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 1–4 mg/kg | q8-12h | Long-term; requires ECG monitoring at initiation | Ventricular arrhythmias | Weak | Plumb's Veterinary Drug Handbook, 9th Ed |
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Blocks cardiac sodium channels (Class IC), slowing conduction velocity and suppressing ventricular and supraventricular arrhythmias.
Proarrhythmic potential. Contraindicated with structural heart disease. Monitor ECG during therapy. Narrow therapeutic index.
Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Flecainide dose range in dogs, with cited source references: PO 1–4 mg/kg q8-12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Flecainide in dogs: PO.
Cited course lengths for Flecainide in dogs include: Long-term; requires ECG monitoring at initiation. Duration depends on the indication — match it to the specific dose rule in the table above.
Flecainide is indicated in dogs for: Ventricular arrhythmias.
These are general warnings for Flecainide across species; consult the dog dosing table above for species-specific guidance. Proarrhythmic potential. Contraindicated with structural heart disease. Monitor ECG during therapy. Narrow therapeutic index.
Why a species-specific page? Flecainide 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.