Hypersensitivity to dienogest or to any of the excipients of Visanne. Visanne should not be used in the presence of any of the conditions listed as follows, which are partially derived from information on other progestogen-only preparations. Should any of the conditions appear during the use of Visanne, treatment must be discontinued immediately: Active venous thromboembolic disorder; arterial and cardiovascular disease, present or in history (eg, myocardial infarction, cerebrovascular accident, ischemic heart disease); diabetes mellitus with vascular involvement; presence or history of severe hepatic disease as long as liver function values have not returned to normal; presence or history of liver tumors (benign or malignant); known or suspected sex hormone-dependent malignancies and undiagnosed vaginal bleeding.