<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing pus draining from my ear and there is a redness in my ear. What could be causing this?  <response>: Based on your symptoms, it is possible that you may have a cholesteatoma, which is a growth of skin cells in the middle ear. It can cause inflammation, infection, and discharge from the ear. You need to see an ENT specialist immediately. 