<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing an ache all over my lower body, my skin is swollen and I feel pain around my anus. What could be the problem?  <response>: It sounds like you might have a pilonidal cyst, which can cause pain and swelling in the skin around the tailbone and anus. Its fairly common, but may require medical attention. 