The Connection Between Pain and Depression

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Does pain cause depression, or does depression cause pain? Many research studies have been conducted trying to establish and analyze the connection between pain and depression. A review of several of these studies concluded (in part) that there was more pain found in those seeking help with depression and more depression in those seeking help with pain than when either condition was examined individually.

The two common medical conditions frequently occur together, respond to similar treatments, share the same brain chemistry pathways, and can become worse when not treated as co-existing diagnoses. In spite of this, underlying depression is seldom recognized by the physician or the patient when pain is the reason for the office visit. A work-up can include a complete history and physical exam, labs for various painful conditions, and x-rays; oftentimes, the patient is referred to a pain specialist or physical therapist. Approximately 50 percent of the time the work-up in a primary care setting does not include evaluation for depression.

Conclusions drawn from this review:

  1. Pain in a depressed sample and depression in a pain sample are higher than when these conditions are examined individually: 65 percent of patients with depression experience one or more pain complaints, and depression exists in 5-85 percent (depending on the study) of patients with pain.
  2. When pain is the chief complaint, depression is often not recognized; at least 75 percent of the time, patients with depression seek medical care for symptoms of pain.
  3. More studies are needed to determine if getting rid of pain results in less symptoms of depression and whether treating depression results in improvement of pain.

Some of the studies showed that when depression and pain are treated with anti-depressants, both conditions improve simultaneously. This appears to be especially true when some of the newer anti-depressants are used. These medications work on the brain chemicals (serotonin and norepinephrine) associated with helping both conditions. The older anti-depressants (tricyclics) have been studied. The authors suggest more studies be done on the newer anti-depressants. They also suggest the need to adopt a model of assessing for depression when treating chronic pain.


First published by, and used with permission of Disaboom, an online resource for people with disabilities.

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2 Comments

My husband, 76, was first diagnosed with severe back degeneratiion caused from his employment. Then the arthritis, disc deterioration, etc, etc, diagnoses were made. Then within 5 years he was diagnosed with bypolar depressant syndrome. He now takes antidepressant medication of all kinds, and pain medication of all kinds, but still has back pain and is depressed and irritable 85% of the time. Maybe 15% of the time he seems like his old self, but still in constant pain. What came first, the chicken or the egg? This all started about 12 years ago and he has become an old man before his time, and has difficulty in finding pleasure in any activities. All I can do is pray for him and try my best to please him.
Any suggestions? ritam83
It's difficult but not impossible to be happy when living with pain. Pain medication can numb your mind as well as your pain, so feeliing mentally well is challenging.
Pain is distracting and can be all consuming with little space to appreciate what's good. Constamt frustration with not being able to participate fully in life is also an issue. There are ways to train your mind to deal with constant pain constructively using midfulness techniques that also help with depression.