ExoticRx · exoticrx.com/drugs/flecainide
US brand names:Tambocor
Flecainide is dosed at 1–4 mg/kg PO q8-12h in dogs, per Plumb's Veterinary Drug Handbook, 9th Ed. Verify against current literature before clinical use.
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 references:All Cat (Domestic) drugsAll Dog (Domestic) drugs
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
A dog/cat sample is shown here. Cited dosing for all 2 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Dog (Domestic) | PO | 1–4 mg/kg | q8-12h | Weak | Plumb's Veterinary Drug Handbook, 9th Ed |
| Cat (Domestic) | PO | 1–3 mg/kg | q12h | Extrapolated | Plumb's Veterinary Drug Handbook, 9th Ed |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.