Hypersensitivity to any of the components of Feropac. Infants <12 months. Patients with hemochromatosis, hemosiderosis and non-iron deficiency anemia. Histories of nephrolithiasis, hyperoxaluria and oxalate dysbolism (risk of calculus) and thalassemia (risk of increased iron absorption). Large doses >1 g daily of vitamin C shall always be avoided in patients with glucose-6-phosphate dehydrogenase (G6PD) deficiency (risk of hemolytic anemia).