I have a rash on the tip of my penis under the foreskin. I don't believe this is an std but an infection issue. Mainly because of my rapid change in my sex life,(which I've always been protective with a condom!! ) that I put to a minimum for about 3 months now and the timing when I got this rash, which was about 3 weeks ago. I'm very very worried about this despite the minor irritation(mainly because the rapid growth in the rash) and would value any answers that come my way.

THANK YOU