Snapshot A 15-year-old man is brought to his pediatrician by his father for complaints of fatigue, weight loss, and recurrent episodes of nausea and vomiting. His symptoms have been occurring for more than 2 weeks and he can’t recall any clear precipitating factors. He denies fever, symptoms of upper respiratory infection, chest pain, palpitations, abdominal pain, or urinary symptoms. A physical examination demonstrates hyperpigmentation of his oral mucosa. A basic metabolic panel reveals hyponatremia and hyperkalemia. Introduction Clinical definition login to view 2 more bullets Associated conditions login to view 1 more bullet Epidemiology Demographics login to view 1 more bullet Risk factors login to view 1 more bullet ETIOLOGY Pathogenesis login to view 14 more bullets Presentation Symptoms login to view 7 more bullets Physical exam login to view 5 more bullets Studies Diagnostic testing login to view 22 more bullets Differential Secondary adrenal insufficiency login to view 3 more bullets Treatment First-line login to view 11 more bullets Complications Adrenal crisis login to view 1 more bullet