yes i am having a problem with my scalp , it has red swollen spots varying in sizes from 2 millimeters to 4 millimeters in diameter sometimes over laping . they feel dry, hot, itchy , and are quite discomforting ,it is restricted to the back of my neck and behind my one ear it seems to be spreading to the top and lower neck below the hairline. what is the answer to my symptoms? what do I have?