Conversation: The conversation between human and AI assistant.
[|Human|] I have a pilonidal cyst that is now infected with streptococcus agalactiae (strep b). I am currently on antibiotics, but I am halfway done with my prescription, and there are no signs of improvement (I am still leaking a profuse amount of pus). What is the necessary treatment?
[|AI|]  Hi, Welcome to Chat Doctor, I had gone through your history and understand your concern, A colonial cyst or sinus is a cyst in the lowest part of the vertebral column or in tailbone area. It may contain inside hair or skin remnants. Treatment is surgery under local anesthesia. Usually there is no connection between the cyst and neurological symptoms. However, there are isolated cases reported of sacral or lumbar osteomyelitis and epidural abscess as a complication of colonial cyst. I suggest you to discus with your Doctor the possibility of plain radiographs of your lumbosacral column. I also suggest treating the cyst surgically, it is a simple procedure under local anesthesia. Thank you.