ok for about 5 months ive been expierencin some wierd feelings im sexualy active and i have safe sex vaginally and anally but not orally i have a red rash it semm s arounf the head of my penis ive get fatigue and dizziness dry skin and mouth red and white bumps inside my mouth and i have issues with my stomach where i would eat something and after i eat i have hunger pains as if i didnt eat anything now i got a hiv test twice this year one in jan and one in april both came out to be negative is there anyother std tests i should be taking and do anybody out there believe that my issues are std related or is it something else