Similar Disorders
CRPS has characteristics similar to those of other disorders, such as shoulder-hand syndrome, which sometimes occurs after a heart attack and is marked by pain and stiffness in the arm and shoulder; Sudeck syndrome, which is prevalent in older people and women and is characterized by bone changes and muscular atrophy, but is not always associated with trauma; and Steinbrocker syndrome, which includes symptoms such as gradual stiffness, discomfort, and weakness in the shoulder and hand. Erythromelalgia also shares many components of CRPS (burning pain, redness, temperature hypersensitivity, autonomic dysfunction, vasospasm), they both involve small fiber sensory neurosympathetic components. Erythromelalgia involves a lack of sweating, whereas CRPS often involves increased sweating. Subvariations of both exist. New information lends credibility to previous positions that this is an autoimmune response disease that can be caused by injury, non injury, and can progress from the injured location throughout the entire body, to include optic nerves, ear nerves, and other facial nerves. Regarding the facial nerves, the eyes seem to be most vulnerable, with no specific pattern as to one or both. It also has the ability to affect sexual function in both the male and female anatomy, though the ability to engage in sexual activity is limited by the disease itself. There is further information that some cases may have a genetic predisposition for the disease, as with other autoimmune diseases. Myasthenia Gravis is another disease that mirrors many of the symptoms of CRPS.
Read more about this topic: Complex Regional Pain Syndrome
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