So recently like i always have to pee. Like for the last 24 hours i jave like needed to pee. But when ever i go pee only a little bit comes out, and like at the very end of my pee, the like last of it coming out really burns. But then once ime done and nothing else is coming out, i still have to pee! And i cant like get fully relived so it feels like im about to pee my pants constantly. Do you think this is a UTI, and my pee dose look a little diffrent nut not like super super major. Btw im 15