Amoxicillin Dose For Dogs. It's quite possible that the vet prescribes amoxicillin to your dog in the following cases: Medication should never be administered without first consulting your veterinarian.

The most common dose of clavamox® used in dogs and cats is 6.875 mg per pound (13.75 mg/kg) every 12 hours. Most amoxicillin medications require the dog to take the medication twice a day. The dose of amoxicillin ranges from 5 to 12 mg per pound (10 to 25 mg/kg) two or three times a day orally.