Can anyone please tell me what this medication is used for?? IT’S URGENT

I was slightly snooping through my boyfriend’s apartment and found a medication bottle for Azithromycin 500mg take once daily for 5 days I took a picture of the bottle because I wanted to research what it means once I got home and they first thing I saw was that it’s for bacterial infections and i saw it could possibly be used for chlamydia I’ve had an yeast infection for about a week and a half since being with him last SOMEONE IM BEGGING PLEASE TELL ME WHAT THIS MEDICATION IS USED FOR I can’t get a clear answer online and I need to know immediately please!!!!!!! It says at the bottom a generic for Zithromax!! PLEASE HELP