<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have had a a sizy lump getting larger by the day and extremely painful on my upper leg lower buttock region it has a dk. Blackblue blister looking top to it. Its very red and hot to the touch . It has very lil of clear liquid blood tinge. Its not getting better.  <response>: Respected User, hi I evaluated your query thoroughly.Clinically it is Infected Sebaceous Cyst.You can take temporarily analgesics for pain relief, but I strongly suggest you to consult Consulting Surgeon as early as possible because many cases are in need of definitely proper treatment surgery at times. Thanks for using Chat Doctor keeping trust in our medical services. Regards. Wishing you a fast and speedy recovery from the same. Bye Dear take care. 