Insane

Do
I'm on lo estrin. It's my first time ever on birth control. And I'm at the end of my first month (well 3 weeks). I feel absolutely insane I get angered easily and yesterday I was extremely sad most of the day.I have had the occasional PMS but nothing quite like this. Has anyone else ever experienced this? Could it be hormonal? Should I wait it out and hopefully my body will get used to it?