<prompt> Anti-thyroid drug of choice for thyroid storm is:-ThiocyanatesPropylthiouracilPropanololRadioactive iodine  <response>: Thyroid storm is an extreme form of thyrotoxicosis. The drugs used in thyroid storm are: Propanolol to control severe cardiovascular manifestations. It is life saving drug in thyroid storm and is DOC. CCBs like Diltiazem are used, if beta-blockers are CI as in asthmatics. Propylthiouracil is used to reduce the synthesis of thyroid hormones. It is anti thyroid DOC for thyroid storm. Hydrocoisone is used to protect the patient against shock. 