Can skin discolorations be a sign of diabetes?

i have dark patches of skin where my neck skin and my colar bone fold, on my underarms and under my breasts where my bra touches which is even more gross. could this be a sign of diabetes?
Can skin discolorations be a sign of diabetes?
I don't think so, but go to a Doc just to be on the safe side!





edit:


maybe you have been in the sun too much, or it could be fungus. I still don't think it is diabetes calm down, your gonna be ok.





unless you have these symptoms








excessive thirst


increased urniation


weight loss


fatigue


blurry vision
Can skin discolorations be a sign of diabetes?
I have dark patches on my stomach and I was told it was just that there was more pigment in my skin in different areas.