Talk to Urologist on Urology Related Problem

Had unprotected sex before 4 weeks. Had 2-3 sores on penis and tip of penis is stretched. Pain in middle of penis like something is stucked and sometimes around its cap and sometimes pain in testicles. And feels like something is coming out from penis. But nothing comes this happens before when i need to pee. When i masturbate after pee there is burning sensation. And Feeling tired all day. But fresh at night. Taking azomax, vibramycn and alkeris. Everything become ok when i eat medicine. But when i forgot to take medicine problem restarts. Doctor recommended me to eat straight like a week. but forgot to eat sometimes like 2-3 days. Then i again start eating it. From 3 weeks im doing this process. What should i do. So much worried and depressed.