Lithium
thyroid follicular adenoma or carcinoma
primary chronic adrenal insufficiency
High aldosterone:renin ratio
hypothalamic/anterior pituitary failure to secrete TRF
use syncathen test to determine
Hashimotos thyroiditis
Pituitary adenoma of corticotrophs
Agenesis of thyroid
Primary hyperaldosteronism
Graves' disease
Prolactinoma
Thyroidectomy
Use dexamethasone test
Multinodular goitre
Sudden weight gain, central obesity, hypertension, acne
Secondary hypercortisolism
iodine deficiency
