Visit your nearest OrthoNOW Center for an evaluation. Clinician will usually diagnose pain by using the patient’s medical history, physical examination and X-rays. It is possible to have more than one form of arthritis at the same time. There are many forms of arthritis and diagnosing the specific type you have can help your doctor determine the best treatment. The earlier you understand your arthritis, the earlier you can start managing your disease, reducing pain, and making healthy lifestyle changes.