Hello.i Have Much Pain Of Vagina When Im Going To

Hello.i have much pain of vagina when im going to the wc i do urine it is really pain and i se little bit something like blood on the paper but it isn't in my urine!! and also if i do stool if feel pain in my vagina,i have pain under my Kidney left and right side! whats the reason? and what can i do?
Thank you