Well lately I find going to a MD Dr. is becoming useless for any reason, between the Ins laws and malpractice they are afraid to make any kind of diagnose or decision. I have autoimmune disease and have dealt with this problem for years. I notice it showing up when I get stressed and when I sweet. I see a lot of posts saying "when I sweet" I make sure the area is always DRY as possible. After I go to the bathroom I always dry that area if I'm having the problem or not. After a shower I dry it with the blow dryer. And wipe with the towel, I keep it clean with Hydrogen Peroxide always and dry it several times a day. This year I've been lucky (keeping my fingers crossed) I've only had it once so far. Maybe my method is working. CLEAN DRY, CLEAN DRY, several times a day. What boggles my mind is if so many of us have this problem why can't a Dr tell us what this is? good luck to all of us.
Clean and dry.