A member asked:

Since having thyroid cancer my tsh is now. lose to 0.1, however i am very fatigued. could this be the reason?

A doctor has provided 1 answer

Could be: With a history of thyroid cancer it's generally thought advisable to keep TSH around 0.1. TSH is the pituitary hormone that stimulates the thyroid . Keeping it low is to avoid stimulation of any cancer that may remain. But if your thyroxine dose is excessive [T4 level above normal range], that can cause fatigue.

Answered 5/11/2014

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Thank

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