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Chronic Pain
A Symptom of Many Diseases
Pain often accompanies diseases of the bones, muscles, joints, and skin, which affect millions of Americans. Most of these diseases are chronic and may cause lifelong pain. In certain cases, such as with some rheumatic diseases, the sources of pain may include inflammation of the synovial membrane (tissue that lines the joints), the tendons, or the ligaments; muscle strain; and muscle fatigue. A combination of these factors contributes to the intensity of the pain. Muscle inflammation characterizes other painful disorders such as polymyositis (characterized by inflamed and tender muscles throughout the body, particularly those of the shoulder and hip) and dermatomyositis (characterized by patchy red rashes around the knuckles, eyes, and other parts of the body, along with chronic inflammation of the muscles).
In other cases, such as with myofascial pain syndromes, the cause of the pain is unknown. Myofascial pain syndromes affect sensitive areas known as trigger points, located within the body's muscles. It is important to consult with a physician to help determine the cause and treatment for your pain.
Talking to Your Doctor About Pain
Why is Basic Research Important to Understanding Pain?
