"i have absolutely loved the mirena the last 4 years. i did not realize that the other issues i had could be contributed by the mirena.  my scalp, my face, and my neck has broke out very badly.  the acne is like cysts in some areas.  they last for 6 months   and are very hard.  i have gained 65 lbs while working out 1 1/2 hrs a day by running 10 miles, gym time, or swimming laps. i eat healthy and stay away from junk food.  i recently started experiencing excessive  sweating.  started with breasts sweating, then feet even wearing flip-flops, and now pouring from my forehead.  i love not having periods and am terrified of going back to bad cramps, but i believe that switching my method of birth control is the best thing i can do."