Skin rash on the inner part of thighs.

I was involved with someone 5-6 years ago...nd it lasted for one year....nd recently i started noticing that my skin on inner thighs was excessive dry nd brown nd would shed off if i rubbed it....was given antifungals for 5 weeks took them but instead got candida...then went to urologist he did my urine culture nd was positive for staph aureus given nitrofurantoin for 14 days twice daily it went away...the. Again felt some stain on underwear nd got culture done again positive for staph aureus... then given levofloxacin 500 mg daily for 14 days....since past 5-6 months i have got my culture done evertime negative but this skin problem not going away.....i went to skin doctor he got HHH done nd it was negative given Zocon as kit nd then in the next visit he gave me cefuroxime 500 mg for 7 days ....when i took levofloaxcin my rash dissapeared so with cefuroxime but it again came back.the skin in my inner thighs is dry nd small brown dots in skin itself not raised looks very dirty