Hi,I am Dr. Shanthi.E (General & Family Physician). I will be looking into your question and guiding you through the process. Please write your question below.
I have a swollen sack on the left side of the back side of my head where the rounded part is. It is very sore to the touch and hurts. I have not hit my head at all. And it is causing a very bad headache and im worried because its very painful to the touch.