Iron Sucrose Injection 20 mg/mL SIngle-Dose Vial 2.5 mL x 10/Pack (RX)Iron Sucrose Injection Iron sucrose injection (20 mg mL, 2. 5 mL single dose vial) is an intravenous iron replacement product marketed by International Medication Systems, Limited (IMS). Each 2. 5 mL vial contains 50 mg elemental iron as iron(III) hydroxide sucrose complex (20 mg mL). The vial is preservative free and intended for single use only any unused portion must be discarded. This IMS formulation is a generic equivalent of branded iron sucrose