Allergy to class/drug, hypersensitivity to glycerol
Uncorrected adrenal insufficiency (may precipitate acute adrenal crisis)
Acute MI
Subclinical or overt thyrotoxicosis, nontoxic diffuse goiter, nodular thyroid disease
Levothyroxine
Cortisone
Fludrocortisone
Methimazole
Potassium iodide
Hydrocortisone 
Propylthiouracil
Octreotide