Plz help me Dr. I am suffer from moon face my face looks like moon and very big my 8 am cortisol is 4.91 by CLIA TECHNOLOGY WHICH is low what does this low cortisol level represent and what is the reason for this low cortisol level I also suffer from hypothyroidism and taking thyrox 50 mg this time tsh is 1.74 my ques is is it addison disease adrenal insufficiency can it leads to weakness hypotension low blood sugar deranged electrolyte levels is their any disease of adrenal gland or malignancy or it is dyfn of pituitary glands is Acth or syanchten test reqd or not or which type of steroid replacement I reqd some Dr. Told me overnight dexamethasone suppression test red and 24 hr urinary cortisol or midnight cortisol levels reqd my Dr. Told me this he is mbbs and md now you people told me which test I reqd and what prob exactly I have and what is the correct soln for this for your kind inf I tell you I do not take any steroid tab till yet please guide me properly and give proper solution.