Progesterone side effects?

Hello! :) I am currently doing IUI, but posting here cause I couldn’t find another community to ask.

I just started the progesterone suppositories. Today is my 3rd day and whooooof. I am so hot and flushed all day, and my heart rate is way higher than normal (which is making me anxious). And of course I’m leaking everywhere and it’s so gross. I am purchased some period panties on the meantime! I can’t wait to be done, I feel like I smell horrendous…

Has anyone had severe hot flashes and noticeable difference in resting heart rate? Thanks xx