Sex??? Yeast infection??? Smells??

So I had sex the other day ( used a condom) and today I have like white discharge and it kind of smells a little yeasty fishy?? Is this normal how do you get rid of yeast infections??? Has anyone got good hygiene tips to make it smell good down there ( I’m not dirty I bath everyday hahaha and it’s not over whelming smell but still I smell a smell lol