Addison's Disease

What is Addison's disease? Addison's Disease is a deficiency of cortisol (a glucocorticoid) and/or aldosterone (a mineralocorticoid). The deficiency can be caused by faulty brain (pituitary) signals to the adrenal glands or by faulty adrenal glands. Cortisol and aldosterone deficiencies cause the levels of sodium and potassium to be abnormal. Key facts about Addison's disease in dogs and cats Addison's disease is...