Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Verapamil is dosed at 1–3 mg/kg PO q8h in dogs, per BSAVA Small Animal Formulary, 10th Ed, Part A, p.423. Verapamil is used in dogs for Supraventricular tachycardia. Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Verapamil in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Calan, Isoptin
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 1–3 mg/kg | q8h | Long-term; monitor ECG | Supraventricular tachycardia | Moderate | BSAVA Small Animal Formulary, 10th Ed, Part A, p.423Compilation only — we have not located an independent source that prints this figure. |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
The sources disagree for this combination. The ranges below do not overlap on a comparable route. This is not an error in one of them — published veterinary references differ, and reconciling them for a particular patient is a clinical judgement.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 0.5–3 | PO | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.439 | 0.5-3 mg/kg p.o. q8h or 0.05 mg/kg slowly i.v. over 5 minutes (with ECG monitoring). Up to 4 repeat i |
| 0.05 | IV | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.439 | 0.5-3 mg/kg p.o. q8h or 0.05 mg/kg slowly i.v. over 5 minutes (with ECG monitoring). Up to 4 repeat i.v. administrations at |
| 0.025 | — | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.439 | ). Up to 4 repeat i.v. administrations at a reduced dose of 0.025 mg/kg q5min if necessary |
| 0.05 | IV | Papich Saunders Handbook of Veterinary Drugs, 4th edp.866 | • 0.05 mg/kg q10-30min IV (maximum cumulative dose is 0.15 mg/kg). |
| 0.15 | IV |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.
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Non-dihydropyridine calcium channel blocker that slows AV conduction, reduces heart rate, and has negative inotropic effects.
Contraindicated with concurrent beta-blockers IV, heart block, or severe LV dysfunction. Monitor ECG. May cause constipation.
Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Verapamil dose range in dogs, with cited source references: PO 1–3 mg/kg q8h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Verapamil in dogs: PO.
Cited course lengths for Verapamil in dogs include: Long-term; monitor ECG. Duration depends on the indication — match it to the specific dose rule in the table above.
Verapamil is indicated in dogs for: Supraventricular tachycardia.
These are general warnings for Verapamil across species; consult the dog dosing table above for species-specific guidance. Contraindicated with concurrent beta-blockers IV, heart block, or severe LV dysfunction. Monitor ECG. May cause constipation.
Why a species-specific page? Verapamil 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.
| Papich Saunders Handbook of Veterinary Drugs, 4th edp.866 |
| • 0.05 mg/kg q10-30min IV (maximum cumulative dose is 0.15 mg/kg). |