Pet Doseage Amoxicillin. Keep in mind, however, that the duration of administration will depend on the condition being dealt with, the response of your dog to the drugs, as well as the development of any unwanted effects. The recommended dose for most dogs is 5 mg per lb.
Give all of the amoxicillin that is prescribed for your pet , since symptoms may begin to improve before the infection is completely treated. 5 mg per lb every 12 hrs: Given once or twice a day.