Osteoarthritis More Condition_symptoms What Is The Difference Between Tendinitis Of The Elbow Or Osteoarthritis Of The Elbow?

What is the difference between tendinitis of the elbow or osteoarthritis of the elbow? - osteoarthritis more condition_symptoms

I suffer from arthritis in his hands, wrists and knees. Now it's hurt me, and I really do not want to go with Dr. 's again. How do you know the difference? Thanks for the help.