hemorrhoid at 34 weeks?

I know hemorrhoids can be common. In pregnancy, but yesterday I had a really bad flare up. I don't believe it's because I am constipated because I have been going regularly. I have been using preparation h and it seems to be doing nothing at all. It's about as big as my finger tip and it just keeps getting more uncomfortable. I go to the doctor tomorrow, but I wanted to ask if anyone on here had any suggestions.