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 Verified against BSAVA Small Animal Formulary, 10th Ed, Part A, p.439 (2026-08-01).. 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 | Verified against BSAVA Small Animal Formulary, 10th Ed, Part A, p.439 (2026-08-01). |
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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.
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.