This document summarizes Addison's disease, a rare condition caused by primary adrenocortical insufficiency. It describes the causes as mostly idiopathic or autoimmune. The signs and symptoms include weakness, abdominal pain, hyperpigmentation and postural hypotension. Tests include checking electrolyte levels and performing short ACTH stimulation tests. Treatment involves replacing steroids like hydrocortisone and monitoring mineralocorticoid levels. Patients must be aware of adjusting medications for stress and illnesses. With proper treatment, those with Addison's can have a normal lifespan.

1. Addison’s disease