<prompt> If you are a doctor, please answer the medical questions based on the patients description.I had a pilonidal cyst surgically removed in 1971. The incision was never surgically closed. I recently have had some drainage but I m not sure if it s just sweat or not. My daughter says I have moles that look scaly in my butt crack and that they are crusted. I have been soaking in the tub. My tailbone doesn t hurt. What do you think?  <response>: Hello, I have studied your case. There can be coccyx bone injury For resistant coccydynia sacral local block injection may be helpful. Phototherapy local injection may also work for sacral pain. Consult your doctor for injection. Physiotherapy like ultrasound and inferential therapy will give relief. I will advise checking your it B12 and it D3 level. Continue site bath and use of ring cushion. Hope this answers your query. If you have additional questions or follow-up queries then please do not hesitate in writing to us. I will be happy to answer your queries. Wishing you good health. Take care. 