Hi my name is bryonna and I'm 22 at first i had pain in my lower side of my stomach on the left and in my back i went to the hospital they said i have something called flank plain but they couldn't exactly tell me which one its been a month or so and now my side come in waves my back is always hurting I get hot and cold flashes and nausea and the feeling of having to urinate alot can it be a uti or something with my kidney?? I need help please.