This application is used to monitor the disease activity of rheumatoid arthritis patients treated with disease-modifying anti- rheumatic drugs (DMARDs) in the iPhone database.This is useful to the rheumatologist to confirm that the treatment is producing the expected results in an appropriate period of time or whether the treatment should be changed. With this application the physician,1. Can create a new patient profile by patients birth date.2. Can see list of all patients.3. Can calculate the DAS28 score by inputting the data either by clicking or entering.4. Can see the historical scores and the effect of medications both in tabular or graphical format.5. Can enter and maintain a list of medications into the database.6. Can enter the prescribed medication.7. Can search a patient in the database by patient ID.The app requires the physicians first and last name at the time of initial installation. The physicians initials in combination with the patients birthdate will be used to create the patient ID. This feature will allow one iPhone to monitor the scores by the physician in the office. Each physician can only see his or her patients information.