Chronic Pain and Depression
Chronic Pain and Depression
Pain serves an important function in our lives. When you suffer an acute injury, pain warns you to stop the activity that is causing the injury and tells you to take care of the affected body part.
Chronic pain, on the other hand, persists for weeks, months, or even years. Some people, often older adults, suffer from chronic pain without any definable past injury or signs of body damage. Common chronic pain can be caused by headaches, the low back, and arthritis. Unfortunately, there is scant objective evidence or physical findings to explain such pain.
Until recently, some doctors who could not find a physical cause for a person’s pain simply suggested that it was imaginary— “all in your head.” This is unfortunate because we know that all pain is real and not imagined, except in the most extreme cases of psychosis. Emerging scientific evidence is demonstrating that the nerves in the spinal cord of patients with chronic pain undergo structural changes.
Psychological and social issues often amplify the effects of chronic pain. For example, people with chronic pain frequently report a wide range of limitations in family and social roles, such as the inability to perform household or workplace chores, take care of children, or engage in leisure activities. In turn, spouses, children, and co-workers often have to take over these responsibilities. Such changes often lead to depression, agitation, resentment, and anger for the pain patient and to stress and strain in family and other social relationships.
How is depression involved with chronic pain?
Depression is the most common emotion associated with chronic pain. It is thought to be 3 to 4 times more common in people with chronic pain than in the general population. In addition, 30 to 80% of people with chronic pain will have some type of depression. The combination of chronic pain and depression is often associated with greater disability than either depression or chronic pain alone.
People with chronic pain and depression suffer dramatic changes in their physical, mental, and social well-being—and in their quality of life. Such people often find it difficult to sleep, are easily agitated, cannot perform their normal activities of daily living, cannot concentrate, and are often unable to perform their duties at work. This constellation of disabilities starts a vicious cycle—pain leads to more depression, which leads to more chronic pain. In some cases, the depression occurs before the pain.
Until recently, we believed that bed rest after an injury was important for recovery. This has likely resulted in many chronic pain syndromes. Avoiding performing activities that a person believes will cause pain only makes his or her condition worse in many cases.
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