Health care providers—and perhaps patients themselves—buy into the assumption that pain causes fatigue, and therefore the relief of that pain will result in a corresponding reduction in fatigue. However, this assumption is likely flawed because pain and fatigue may have different etiologies and a complex interplay. Interestingly, fatigue has been cited as the primary reason that an older adult might limit his or her activity, and thus the relationship between fatigue and activity must be better characterized. In fact, previous studies have found that when assessing symptoms (“momentary fatigue” and pain) with physical activity, it was found that fatigue was more related to reduced physical activity than pain.
Read the entire article here: The Pain-Fatigue Collision