Possible Side Effects of Mirena Include: Lower abdominal pain Upper respiratory infection Leukorrhea (abnormal
vaginal discharge) Nausea Headache Nervousness Vaginitis (irritation or inflammation of the vagina) Dysmenorrhea (cramps or painful periods) Back pain Weight increase Breast pain Skin disorder Acne
Decreased libido Depression Abnormal Pap smear Hypertension Sinusitis