Hello,
Without examination,confirmation of a diagnosis is tough but it can be contact dermatitis,rash due to friction rub with clothes, dermatitis (atopic, contact, allergic),excessive sweating causing sweat dermatitis,UTI or balanitis(due to an underlying infection (bacterial and fungal as well as other organisms) .Even STD’s cannot be ruled out as it is spread through direct skin-to-skin contact during oral, genital, or anal sex with an infected partner.
You may try calamine lotion on the rash.You should also maintain hygiene and try to keep the area clean and dry, wear loose-fitting cotton clothing. Also use an antibacterial soap or mild soap like dove.Avoid any kind of cosmetics.You can also use calamine lotion or a mild steroid cream like dermacort on the rash. Also get a urine culture and swab culture done.
Hope it helps.Take care and pls do keep me posted on how you are doing or if you have any additional queries.
hi bro. please do attach a picture. much easier to compare
also: I have had some dry flaky white skin pieces on my shaft, and very occasionally an itchy anus.