Aspirin Dosing for Dogs, Cats, Horses, Cattle, Pigs By Weight
Important Safety Information
Cats are particularly sensitive to aspirin due to slow metabolism. Use with extreme caution and monitor closely.
Do not use in animals with bleeding disorders, gastrointestinal ulcers, or renal impairment.
Convincing evidence of antiplatelet clinical benefit in dogs is lacking.
Reference Source
Saunders Handbook of VETERINARY DRUGS, Page 80-82
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Standard Dosage Guidelines
Small Animal Dosage
| Species | Purpose | Dosage | Frequency |
|---|---|---|---|
| Dogs | Mild Analgesia | 10 mg/kg | q12h PO |
| Anti-inflammatory | 20-25 mg/kg | q12h PO | |
| Antiplatelet | 1-10 mg/kg | q24-48h PO | |
| Cats | Mild Analgesia | 10 mg/kg | q48h PO |
| Anti-inflammatory | 10-20 mg/kg | q48h PO | |
| Antiplatelet | 80 mg/cat | q48-72h PO |
Large Animal Dosage
| Species | Dosage | Frequency |
|---|---|---|
| Horses | 25-50 mg/kg | q12h PO (up to 100 mg/kg per day) |
| Cattle | 100 mg/kg | q12h PO |
| Pigs | 10 mg/kg | q6-8h PO |