I have brown discharge, and I don’t have my period ever

Patient: Okay so I had sex 11 days ago, I’m on a type of birth control so that I don’t have my period, and we used a condom, today I started having this brown discharge and it looks like the stuff that comes out after my period, I also have an ongoing uterary tract infection, could this be causing the discharge?? Please help I’m really scared

Symptoms: Brown discharge, slight pain in vaginal area

Doctor: