Product Description: Ferosac is a medicine that contains iron for 'iron deficiency'. Ferosac is given when you cannot take iron orally.Ferosac should only be administered by a doctor, who will decide how much to give, how often a dose is required and for how long. Before administration a doctor will do a blood test to calculate the dose. If you have never received Ferosac before, you will be administered a ‘test dose’ (a small amount of the product) to confirm that you are not allergic to it.Keep out of reach of children.Each 5ml ampoule contains: Fe (III) trivalent iron as Iron (III)-hydroxide saccharate complex (iron Saccharate)100mg.