Mirena I had Mirena inserted in February 2009. Since that time I've had mild weight gain and acne. These were fairly tolerable, however, in the past 2 months I have had hair loss (I pull out 10 or more strands every time I run my fingers through my hair). I've scheduled an appt. to have it removed. Please be sure to report the side effects of this drug at: 1-800-FDA-1088 or www.fda.gov/medwatch