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Overview
Reflex sympathetic dystrophy (RSD) or complex regional pain syndrome (CRPS), is a chronic, painful, and progressive neurological condition that affects skin, muscles, joints, and bones. The syndrome usually develops in an injured limb, such as a broken leg, or following surgery. However, many cases of RSD involve only a minor injury, such as a sprain. And in some cases, no precipitating event can be identified.

Pain may begin in one area or limb and then spread to other limbs. RSD/...Read the full article