Yeast infection...

I’m pretty sure I have a yeast infection I’m hella itchy down there. I don’t have time to go to my doctors because I’m going to Vegas soon I’ve been looking at at home remedies or over the counter medicine I can take before I leave but they all say it has to be inserted..... I can’t even put in a tampon right so i don’t like the idea of inserting medicine into my vagina. Do you guys know of any over the counter pills for yeast infections that work?