I need to know what is wrong please its a female problem only answer if you can help!?

I know i have an infection of some kind but this is going to sound gross i relized when i went to the bathroom i had peed out like flesh thing sometimes its there other times its not the one time it was brownish color. I thini i have a uti and im taking AZO medician to stop the pain untill i go to the docters please someone help i cant find anything on the internet!!!!!!!!!!!!!