Dexamethasone Sodium Phosphate Inj. Ip 10ml.,20ml.,30ml. We are Offering Dexamethasone Sodium Phosphate Injection. Dexamethasone Sodium Phosphate is Used for the Treatment of Adrenal Insufficiency, a Condition Where the Adrenal Glands Do Not Produce Enough Adrenal Hormones (cortisol and Aldosterone). It is Effective in Replacing the Cortisol Deficiency, But Must Be Used in Combination with Another Agent (a Mineralocorticoid) to Replace the Aldosterone