Guidalou

This looks like yeast acne to me. Try an oral antifungal. Dandruff shampoo and jock itch cream can help but there are different ingredients in different brands. Alternate between selenium sulfide, pyr...

Looks like the only thing you haven't tried is oral or topical antifungals. Trust me I've been there and a lot if drs will never think of yeast or fungus when they see you. I insisted on an oral antif...

I think you have a fungus in addition to the bacteria problem and antibiotics will cause yeast to run amok. I've had spots for over a year that wouldn't completely heal they looked like what you descr...