Mood Swings

Hello eve Community, I'm new here but I need some advice about moodiness. Here's a little bit of my background: I have been on birth control since I was 16, during high school I was on the Depo shot and never had any problems, now I'm a junior in college and last year April I switched to Birth Control Pills, I switched because coming back home to get the shot on time was not working. Now I'm a year into taking the pills and I've been moody and emotional for a week long, I almost feel like I'm in a depressed state. Nothing dramatic is happening in my life that's causing my moodiness, so the logical answer must be the pills. Am I the only one experiencing this moodiness (this is the first time I've had a real problem with my pills.) Does anyone have any advice, or tips on how they handle their moodiness. ? Anything will help.