I just mentioned to my GP when I was in for a checkup and I was concerned because all of a sudden it was spreading but not in the nummular sense but in pink/red pimples of all different sizes, on my stomache, chest, arms etc. when scratched look more like hives.. but anyway I asked to be sure because if it was fungal I didn't want to be spreading it to my family. Glad you agree and at least I can forget about it being contagious. Thanks
Your dermatologist is correct. (Why would you ask a general doctor after seeing a specialist?) Round rashes are routinely, and often incorrectly, called "fungus." In your case the biopsy confirmed what would have been most likely anyway. Your condition is called nummular (round, coin-shaped) dermatitis. Treatment is Lidex, or something like it. Cause is generally unknown, but it's not an allergy or a fungus. To avoid confusion, stick with one doctor. it sounds as though you already have one who knows the story.
Best.
Dr. Rockoff