Adrenal Insufficiency

In: Endotext [Internet]. South Dartmouth (MA):, Inc.; 2000–.


Adrenal insufficiency is a serious pathologic condition characterized by decreased production or action of glucocorticoids and/or mineralocorticoids and adrenal androgens. This life-threatening disorder may be classified as primary, secondary or tertiary, resulting from diseases affecting the adrenal cortex, the anterior pituitary gland or the hypothalamus, respectively. The clinical manifestations of adrenal insufficiency include anorexia, abdominal pain, weakness, weight loss, fatigue, hypotension, salt craving and hyperpigmentation of the skin in case of primary adrenal insufficiency. The diagnosis of adrenal insufficiency can be confirmed by demonstrating inappropriately low cortisol secretion, determining whether the cortisol deficiency is secondary or primary, and defining the cause of the disorder. Treatment with glucocorticoid and/or mineralocorticoid replacement should be initiated when glucocorticoid and or mineralocorticoid deficiency is suspected. This chapter will provide an overview of the epidemiology, etiology, pathophysiology, clinical manifestations, diagnosis and treatment of adrenal insufficiency. Finally, special conditions of adrenal insufficiency, including critical illness, pregnancy, infancy and childhood will also be discussed. For complete coverage of this and related areas of Endocrinology, please visit our free online textbook, WWW.ENDOTEXT.ORG.

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