Pet's Pain Formula is an all-natural dietary supplement designed to help relieve pain, reduce inflammation and fever. Pet's Pain Formula may help with restlessness. Eases muscle pain, joint pain, and general nerve pain. Pet's Pain Formula is soothing to the digestive tract (can be useful for cramping pains in the intestinal tract). Pet's Pain Formula has feverfew, which has been clinically proven and effective for migraine headaches as well as reduces inflammation and fever.