The Merck Veterinary Manual recommends administering a dosage of 10-40mg/kg, however, this dose can vary depending on your dogs condition. You should always talk to your veterinarian before starting your dog on a drug like aspirin, as overdoses of aspirin can be fatal.

Also, what kind of aspirin can I give my dog? Aspirin Prescribed by Your Veterinarian In some cases, youll be instructed to purchase baby aspirin, also known as low-dose aspirin. Its still an NSAID and still poses risks, but can be given for short periods under the close supervision of a veterinarian.

Just so, how much aspirin can I give my 25 pound dog?

A dosage of 25 mg/kg every 8 hours resulted in serum salicylate concentrations varying from 12.5 to 17.8 mg/100 ml. It was concluded that a maintenance dosage of 25 to 35 mg/kg every 8 hours in optimal for the dog, based on extrapolation of data obtained in man.

Can you give a dog a 81 mg aspirin?

The answer to that question is no, you cannot give aspirin to your dog unless your veterinarian specifically instructs you to do so. This is because it is very easy to accidentally give your dog too much, as the difference between a proper dose and an overdose is quite small.