Vaginal rash?

So I had my annual checkup 2/25 and tested positive for chlamydia, yay 🙃, and BV, double yay , and was put on azithromycin (just one dose of 2 pills) and metronidazole gel for 5 days. The pills I took on 3/3 and I did the last gel insert last night 3/4. I noticed I had a rash(??) a day or 2 ago when washing down there and also noticed I had white discharge between my lips today now that I did a mirror check which is most likely a yeast infection (I read that azithromycin can cause). I’m making an appointment for this in the morning (3/6). I’m more concerned about the rash and if this is a rash and was wondering if anyone else had these same problems? The rash doesn’t itch and isn’t painful. Just small red dots all over

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