Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Aspirin is dosed at 0.5–1 mg/kg PO q24h (antiplatelet) in dogs, per BSAVA Small Animal Formulary 10th ed., Part A: Canine and Feline (Allerton F, ed.), Aspirin monograph, printed p.33 (corpus p.49). Aspirin is used in dogs for Anti-platelet (low-dose), pain/inflammation. Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Aspirin in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Bufferin, Ascriptin
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 0.5–1 mg/kg | q24h (antiplatelet) | Long-term for antiplatelet | Anti-platelet (low-dose), pain/inflammation | Strong | BSAVA Small Animal Formulary 10th ed., Part A: Canine and Feline (Allerton F, ed.), Aspirin monograph, printed p.33 (corpus p.49) |
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Irreversibly acetylates cyclooxygenase (COX-1 and COX-2), inhibiting prostaglandin and thromboxane synthesis.
TOXIC to cats (prolonged half-life, deficient glucuronidation). Use buffered only. GI ulceration. Avoid with other NSAIDs or corticosteroids. Platelet inhibition irreversible.
Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Aspirin dose range in dogs, with cited source references: PO 0.5–1 mg/kg q24h (antiplatelet). Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Aspirin in dogs: PO.
Cited course lengths for Aspirin in dogs include: Long-term for antiplatelet. Duration depends on the indication — match it to the specific dose rule in the table above.
Aspirin is indicated in dogs for: Anti-platelet (low-dose), pain/inflammation.
These are general warnings for Aspirin across species; consult the dog dosing table above for species-specific guidance. TOXIC to cats (prolonged half-life, deficient glucuronidation). Use buffered only. GI ulceration. Avoid with other NSAIDs or corticosteroids. Platelet inhibition irreversible.
Why a species-specific page? Aspirin 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.