HELP, I THINK I HAVE A UTI !?!?!?!

OKAY RIGHT NOW, IM IN SO MUCH PAIN THAT IM CRYING ,WHICH CAUSES MOREEE PAIN!!! I WENT TO GO PEE ABOUT AN HOUR AGO AND ALL OF A SUDDEN I FELT A KINDA TICKLISH AND THEN VERT VERY PAINFUL JAB IN MY VAGINA. EVER SINCE I LEFT THE BATHROOM THE FIRST TIME IVE HAD A NON STOP BURNING AROUND AND INSIDE MY LABIAS AND IVE BEEN BACK TO PEE ABOUT 1 OR 2 MORE TIMES SINCE THEN. IT REALLY HURTS TO MOVE AND USE THE BATHROOM AND IT WAS SO ALL OF A SUDDEN IT TOOK ME OFF GUARD AND I TEXTED MY MOM ALREADY BUT SHE HASNT REPLIED I DONT KNOW WHAT TO DO IM 17 AND NEVER HAD THIS HAPPEN BEFORE