I am 39 yo and I had unprotected sex thru intercourse 5 mo ago, a month later only noticed a slimey brown discharge as my period was due at the same time, for the duration of 4 - 5 days. I performed unprotected oral sex at the same time and noticed a sore throat afterward. I started antibiotics (7 days of Amox 500mg) thinking it was a sinus infection. It helped but, I still hv a slight burning sensation deep in my throat, but it's inconsistent. Then, I decided to take 1gram of azithromycin realizing it could be an std, at same time giving my bf the same dose thinking he could be infected also. I also am experiencing a period w heavy flow every 2 wks w some cramping and lower back pain I hadn't experienced in a long time. I was tested for Gonorreah n chlamydia and was negative. I hv an appt to see my obgyn next week to check for possible endometriosis.