Iron Sucrose in Adolescents With Iron Deficiency and Postural Orthostatic Tachycardia Syndrome (POTS)

5 mg/kg of intravenous iron sucrose supplied as Venofer (TM) with a maximum dose of 200mg. Iron sucrose will be diluted to 1 mg of elemental iron in 1 mL of NaCl 0.9% with a maximum volume of 210 mL.

Normal saline (NaCl 0.9%) 5 mL/kg up to a maximum volume 210 mL