As this eMedTV segment explains, an addisonian crisis occurs when a stressful event causes existing symptoms of Addison's disease to become life-threatening. This article explains the symptoms to look for and offers prevention strategies.
Addisonian crisis symptoms are serious signs of a worsening condition that should not be ignored. This section of the eMedTV site explains addisonian crisis symptoms in more detail, including reasons why they occur and what to do during a crisis.
Without proper and prompt addisonian crisis treatment, the condition can be fatal. This article from the eMedTV site lists the steps followed in addisonian crisis treatment, including information on the use of hydrocortisone, saline, and dextrose.