I'm 17 years old And I've been taking medication AMOXICILLIN 500MG teva 3109 for my strept throat and the first day taking it, my vagina started itching really bad but I continued the medication for the past week, I stopped the medication the second week and when I had intercourse it hurt really bad which never happened before. after intercourse I went to pee and it burned so bad!!! can it be the medication causing it ? or ?