You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following is not seen in Chronic Regional Pain Syndrome? and explain in detail?
Complex regional pain syndrome is usually associated with increased sweating (hyperhydrosis) and not anhydrosis. Pain and swelling are features of CRPS, while osteoporosis may present with CRPS. So the single best answer of choice is anhydrosis. Ref: Harrison's Principles of Internal Medicine, 16th Edition, Page 2433