Yes, it can. The symptoms of Addisonian crisis comprise some mental changes such as confusion, fear, anxiety, depression, delirium, hallucinations, encephalopathy, etc., and if the crisis is not treated, it worsens in the case of a panic attack, where the stress level comes up high and a corticosteroid is not available to be injected. The brain goes into shock, then into a coma, which can lead to cerebral palsy if the patient can survive death.