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Despite that complexity, arthritis often produces four important warning signs, regardless of which type of arthritis a person may have.
The Arthritis Foundation notes that arthritis-related pain may be constant or intermittent. One common misconception about arthritis pain is that it only occurs during or shortly after a body is at rest. However, arthritis-related pain can occur while the body is at rest and is not always triggered by an activity that incorporates a part of the body affected by arthritis. In addition, pain from arthritis can be isolated to one area of the body or affect various parts of the body.
Skin over the joints affected by arthritis may become red and swollen. This skin also may feel warm to the touch. The Arthritis Foundation advises anyone who experiences this swelling for three days or longer or more than three times per month to contact a physician.