How To Fix A Cut In Clitoris?

today me and my boyfriend messed around and he was very rough when he was touching me down there and its been kinda sore but i never minded it all day till i got home and used the bathroom and it stung so bad so i looked at my vagina and in side my lips under my clitoris is a small cut but it hurts so bad and my clitoris stings pretty bad too and it looks like he stretched out one side of my lips really bad is there way to fix this?