Pain in vagina

Ok, so last weekend we traveled, & I didn’t drink enough water the first day, which caused me to get constipated, which made hemorrhoids flare up. So, I’ve been using some cream for it, & it’s still not better. Today tho, there’s been a sharp pain right at the entry of my vagina, like someone is sticking an ice pick up there. It doesn’t burn when I pee, tho. Help? I’m going to get a vagina cleanser & some new cream since the stuff I’ve been using is almost expired. But has anyone ever had this? If so, what is it?! My period is due in another couple of days. I really don’t wanna be having to put cream up there during that.