Originally Posted by
Catsmine
It sounds like all that the physicians are seeing is the results of your scalp being irritated. Have you tried to capture any specimens? Even if they are white capturing them with transparent tape and attaching them to a plain white card will allow someone with a dissection microscope to make an I.D. for you. Good places to find people with that equipment and knowledge of its use are Biology Labs at schools, large exterminators' offices, and (in the U.S.) Dept. of Agriculture extension offices.
You'll never be able to control them until you have a documented identification.