You have over one million hair follicles on your head. These thin tube-like structures ... a doctor as soon as possible if: You have sores on your scalp that are discolored, pus-filled, and ...

Since it’s nearly impossible to get a good look at the top or back of your own head, it's a great idea to check in with a board-certified ... they may appear darker on darker hair. There may be sores ...

The most common form of transmission is head-to-head contact with ... Ongoing or recurrent painful and itchy sores Sores that don't heal within four to eight weeks Scalp pain and swelling.

The primary symptom of head lice is itching, which is caused by an allergic reaction to louse bites. Some people may also ...