Arthritis usually os the result of past injury or age. The chronic inflammation causes abnormal breakdown of joints and bone spur growth in ligaments and tendons which in turn causes more inflammation and breakdown.
The goal is to decrease inflammation and improve movement. Many natural supplements can help inflammation and pain without the use over meds such as rimadyl,traumadol, and the such. The meds can cause kidney and liver damage with long term use so if possible it is best to try the natural supplements