Abdominal pain
Chronic nausea, vomiting, diarrhea
Weakness and fatigue
Salt craving
Abnormal skin pigmentation - will often look patchy<unk> ian crisis:
Hypotension
Neurologic symptoms: coma
Chronic nausea, vomiting, diarrhea
Hypotension
Neurologic symptoms: coma
Addison's disease
Corticosteroid withdrawal
Sheehan's syndrome
Secondary adrenal insufficiency - deficiency of ACTH 
Cushing's syndrome
Tertiary adrenal insufficiency - deficiency of CRH 
Wilson's disease
Zollinger-Ellison syndrome