Pain Urinating

Hi everyone , I’ve recently been dealing with persistent urge to pee & when I do only a little comes out even though I feel like I want to pee more. My vagina feels like it’s in pain & when I put on some heat it helps temporarily but, I still feel pain. I took azo & drank a cup of water does anyone have any suggestions on remedies for a uti or how to ease the pain until I go to an urgent care. It’s excruciating