EBF and weird rash on underside of breast **pic included

There are two quartQ-êsized areas under my right breast. I don't think it is ring worm (I had it once as a child). They are warm and burn a little now that I…

Weird rash appeared under my left breast. Skin around the area seems sensitive, but isn't red. Feel the same on my back too, but no rash there. Any idea what it is??

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Small, non itchy rash thing on left breast *pic included!!

Lupus lesion: Sorry photo is up side down ( it is - LUPUS UK