Step 1 - Go to a walk in clinic in a neighboring town where you don't know anyone.
Step 2 -
www.DrugStore.com
I hope I didn't get them from you in Vegas.
I was hammered in the bathroom at the Venetian washing my hands after I took a piss. I saw you and yelled "Boney Proney!" and took a pic with ya.
good luck
I've only had one STD scare with my last girlfriend. Turns out she just had a different type of yeast infection.

Damn uninfomred nurse scared the hell out of us.