Known hypersensitivity or intolerance to the active ingredients or to any of the excipients; Iron overload (e.g hemochromatosis, hemosiderosis); Disturbances in iron utilization (lead anemia, sideroblastic anemia, thalassemia); All anemias not caused by iron deficiency (e.g hemolytic anemia or megaloblastic anemia due to vitamin B12 deficiency).