Hurting vagina

Lastnight my 5 y/o was playing with her umbrella (riding it like a pony or witch) she ended up hitting her vagina with it and cried in pain. After a few mins she said it felt fine. Next morning she went to pee and cried in pain. She has been terrible to pee all day. She’s been trying to hold it in and putting up such a fuss and even peeing up herself. I was able to take a look at it, there’s just a slight redness on the labia/clit area. I tried using a cool cloth to smooth her a bit but she’s resisting. Not sure what I can do?