Do not take Lynestrenol (Lyndel) if the patient has the conditions listed as follows: Undiagnosed vaginal bleeding; Suspected pregnancy; Severe arterial disease; Hormone-dependent neoplasms; Severe liver disease such as hepatic tumor; Hypersensitivity to Lynestrenol or any ingredient of this product; Active venous thromboembolic disorder.
If any of these situations develop while the patient is using Lynestrenol (Lyndel), consult the doctor immediately.