Endocrinology Expected Values and . Unit Conversion Tables: show the range of many hormones relating to adrenal insufficiency and could be of help in understanding the test results. How is Adrenal Insufficiency Treated? Just as some people with diabetes take insulin to live, people with adrenal insufficiency must take cortisol replacements (steroids) to live. Oral steroids such as prednisone, prednisolone, hydrocortisone , fludrocortisone , and dexamethasone are taken throughout the day. Dosing depends on weight and type of medication used. Many patients have found success using the Circadian Rhythm . There are also some cases in which a patient is better served by use daily injections of hydrocortisone or a subcutaneous pump . More on the pump.