Mirena Extreme Irritability, Sore Breasts, Lack of Motivation, Yeast Infections, Oily Scalp

I just wanna cry.I had mine put in on April 9th 2008. I thought for sure I was crazy and I was making a big deal out of nothing. I have it all the depression, lethargy, extreme irritability, mood swings, cramping, back pain, stabbing pain in my abdomen, bloating, abnormal and irregular bleeding, headaches, nausea, dizziness, lack of motivation, reduced interest in sex, continuous yeast infections, sore breasts, weight gain, itchy flaky oily scalp, joint pain, continuous gotta go feeling, and I so could go on.......... I just wanna give up. I have 4 children and can't afford anymore. I can't deal with the way I feel all the time. I want to get it removed but I don't want to end up pregnant and I'm just at a loss I don't know what to do.