A member asked:

Am having total throidoctomy due to cancer and i won't be taking any hormone to replace my thyroid hormone for 6 weeks what side effect i will have ?

3 doctors weighed in across 2 answers

Hypothyroidism: There is no need to stop the synthroid (thyroxine) prior to surgery. You need to stop it prior to radioactive iodine. You will become hypothyroid: cold, fatigued, constipated, etc. There are ways to lessen this. You can switch to fast acting Cytomel for 4 of 6 weeks, and then stop the cytomel. Thyrogen can be used. The management of thyroid ca is complex, and should be directed by an endocrinologist.

Answered 6/24/2014

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Low energy: People getting prepared for radio iodine treatment need to have a high tsh. Not taking synthroid (thyroxine) is the traditional way to do this. Now there is a medication (thyrogen) which can elevate the tsh, without having the symptoms of hypothyroidism. Usually fatigue, lack of energy are the main symptoms.

Answered 11/21/2013

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