I have almost fainting episodes, with weakness, nausea, increased urination and thirst, fatigue, lethargy, memory loss, confusion and disorientation, low blood pressure, low blood sugar, a history of thyroid disease, and blurry vision. I have had numerous episodes over the last 3 months, and in the ER three times in the past week and a half, plus hospitalized for weakness this weekend. I am waiting on a referral to an endocrinologist. In your experience, does this sound like a Pituitary tumor or adrenal insufficiency? I am waiting on results of blood tests done- cortisol and ACTH. Thank you