Patients may start to repeat themselves. In this stage there is increased sympathetic activity. Stage three is called the atrophic stage and can last an unlimited amount of time. Pain can increase or decrease, depending on the person, and the RSDS may spread to other parts of the body. At this stage irreversible tissue damage may occur.
Skin becomes cool, thin, and shiny.
X-Rays may show marked demineralization and increased osteoporosis. Basically, it is two years or more post-onset. Many thanks to Dr Hooshmand for helping with these medical sections.