Rimadyl For Dogs Dosage By Weight. The usual prescribed dosage for dogs is 2 mg per pound of body weight given once daily, or it can be broken down to 1 mg per pound of body weight given twice daily. In this chart, you can see here different rimadyl dosages for dogs.

The usual prescribed dosage is 2 mg per pound of body weight given once daily. Do i need a prescription for rimadyl for dogs? The average rimadyl dosage will depend largely on the size and weight of your dog and the severity of their condition.