Doctors still don’t understand what causes complex regional pain syndrome (CRPS), but if you have a serious form of this condition, you know how debilitating it can be. Extreme pain, burning sensations, tingling, swelling, stiffness and tremors in a major limb can make it impossible for you to work, turning your physical pain into financial pain. Social Security Disability benefits can help restore your sense of financial independence. But you face special challenges proving you deserve benefits for CRPS. In this chart from Chicago’s Nash Disability Law, see what you need to qualify for Social Security Disability benefits with CRPS.