Q: All of the following are used in Thyroid storm except?

A) Propranolol 
B) Propylthiouracil (PTU)
C) Iodine 
E) Cholestyramine
E) Aspirin


Answer:  E

Aspirin should be strictly avoided in thyroid storm as antipyretic because it can increase serum free T4 and T3 concentrations by interfering with their protein binding. If requires Acetaminophen should be used as antipyretic.

Choice A,B and C are  integral part of thyroid storm management. Cholestyramine are used in thyroid storm as they reduce enterohepatic circulation of thyroid hormone.