My penis have redness and swell during i washing or hardening

I have seen many hospitals and doctors for over a year. I also gave many tests. All tests were negative. My penis swell during washing and hardening. The doctors and I are in despair. What should I do. I use a condom every time I have sex. You have an irregular sex life.!help me image

hey pal, same boat no joy, glans look identical. where you based, what you been tested for HSV? ureaplasma? what was the trigger?