Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Captopril is dosed at 0.5–2 mg/kg PO q8-12h in dogs, per Verified against Papich/Saunders Handbook of Veterinary Drugs, 4th Ed, p.134 (2026-08-01). — SOURCE EDITION: Saunders Handbook of Veterinary Drugs — ISBN 9780323244855, https://openlibrary.org/isbn/9780323244855. Captopril is used in dogs for Congestive heart failure / hypertension. Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Captopril in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Capoten
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 0.5–2 mg/kg | q8-12h | Long-term; monitor renal function at 1 week, then periodically | Congestive heart failure / hypertension | Moderate | Verified against Papich/Saunders Handbook of Veterinary Drugs, 4th Ed, p.134 (2026-08-01). — SOURCE EDITION: Saunders Handbook of Veterinary Drugs — ISBN 9780323244855, https://openlibrary.org/isbn/9780323244855 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/animal) | Route | Source | As printed |
|---|---|---|---|
| 3.12–6.25 | PO | Papich Saunders Handbook of Veterinary Drugs, 4th edp.134 | • 0.5-2 mg/kg q8-12h PO. • 3.12-6.25 mg/cat q8h PO. |
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 0.5–2 | PO | Papich Saunders Handbook of Veterinary Drugs, 4th edp.134 | • 0.5-2 mg/kg q8-12h PO. • 3.12-6.25 mg/cat q8h PO. |
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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Inhibits angiotensin-converting enzyme, reducing angiotensin II and aldosterone levels, thereby decreasing peripheral resistance and blood pressure.
Monitor renal function and electrolytes. May cause hypotension, hyperkalemia. Adjust dose in renal impairment.
Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Captopril dose range in dogs, with cited source references: PO 0.5–2 mg/kg q8-12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Captopril in dogs: PO.
Cited course lengths for Captopril in dogs include: Long-term; monitor renal function at 1 week, then periodically. Duration depends on the indication — match it to the specific dose rule in the table above.
Captopril is indicated in dogs for: Congestive heart failure / hypertension.
These are general warnings for Captopril across species; consult the dog dosing table above for species-specific guidance. Monitor renal function and electrolytes. May cause hypotension, hyperkalemia. Adjust dose in renal impairment.
Why a species-specific page? Captopril 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.