I've Been Cleared Of STDs Back In 2014 I Stop

I've been cleared of STDs back in 2014 I stop having sex since then. I am now feeling some of the same symptoms I had back when I found out I caught a curable std. If I. Tested negative last year for STDs and I haven't had sex since should I be retested again to make sure and put my mind at ease. Because I am worried and I'm automatically thinking the worst which I know I shouldn't be