NSAID / Antiplatelet · For Dogs · 5 lb
How much Aspirin for a 5 lb dog?
A 5 lb dog (2.3 kg) should receive approximately 22.7 mg of Aspirin per dose, given every 12 hours.
This information is for educational purposes only. Always consult your veterinarian before giving medication to your pet. Do not use this calculator for emergencies, overdoses, pregnancy, very young animals, very old animals, pets with liver/kidney disease, or pets taking multiple medications.
Dosage data is sourced from Plumb's Veterinary Drug Handbook and cross-referenced with Merck Veterinary Manual and DailyMed where applicable. Independent DVM review is being added page by page. See our methodology.
Dosage · 5 lb dog
Aspirin dose for a 5 lb dog
Low Dose
11.3
mg
Standard
22.7
mg
Max Safe
34.0
mg
Frequency
every 12 hours
Weight in kg
2.3 kg
Always confirm with your veterinarian before administering medication. These calculations are estimates based on published veterinary pharmacology references.
Other Weights
Aspirin for a different size dog
FAQ · 5 lb dog
Questions about Aspirin for a 5 lb dog
How much Aspirin for a 5 lb dog?
What is the safe dose range of Aspirin for a 5 lb dog?
How often can I give Aspirin to a 5 lb dog?
Need a different weight?
Use the calculator on the main Aspirin page for any exact weight, or read the full dosage chart and safety information.
Full Aspirin dosage guide →Sources · 09
Sources & references
The dosage information on this page is compiled from the following veterinary and pharmaceutical references:
- Plumb's Veterinary Drug Handbook — the standard veterinary pharmacology reference used by veterinarians worldwide.
- Merck Veterinary Manual — a trusted, peer-reviewed resource for veterinary professionals and pet owners.
- DailyMed (FDA Drug Labels) — official FDA-approved drug labeling and prescribing information for Acetylsalicylic Acid.
Read more about our methodology and how we calculate dosages.