I Am 24 Years Old And For Some Days Now

I am 24 years old and for some days now on my laps and around my testis has been itching but not often, it all started with some white particles, after which it started itching but as of now the white particle are no longer there which leaded to itching red spot rashes on my laps and on my testis also itching which when I scratch it pill off some spotted dry rashes on my testis, due to all the research I have done I cant still yet figure out what if it is an infection or what really it is? Am just being scared please help me out before it turn be something else. Thanks Am sorry Sir I do not have financial means to pay your services.