Suggest Remedy For Muscle Cramps, Dizziness, Migraine And Weightgain While On Mirena IUD

I have had the mirena IUD for the past three years. I've noticed that i have gained a considerable amount of weight. I did some research and found that was a side effect along with some others I have been experiencing, these include a strong metallic sorta scent when i urine, muscle cramps and dizzy spells along with migraine headaches, my question is what do i do?