Why Do I Experience Itchy Skin And Rashes After Masturbating Daily, But Not When I Do It 2-3 Times A Week?

Before I almost have everyday masturbating sometimes twice a day. Now, the result si BAD every time I do masturbating, 4 to 5 hrs after that I have an itchy skin then in 30 minutes rashes come out a lot OF skin rashes.. now as a diet I do masturbate 2 to 3 Times a week.. and mo more itchy and skin rashes.. but if I do once aday Oh my itchy bitchy so itchy.. but I Love masturbating and anti-histamine helps ME a lot to lessen or remove that itchy rashes skin…Question WHY masturbating and releasing OF sperm makes me Realty allergic.. with so much itchy and rashes skin,,???