3 doctors weighed in:

What happens to TSH level when thyroid gland is removed?

3 doctors weighed in
Dr. Robert Lang
Internal Medicine - Endocrinology
2 doctors agree

In brief: It goes up

When the thyroid is removed, there is little or no thyroid hormone and the pituitary will increase TSH production until thyroid hormone replacement is taken.

In brief: It goes up

When the thyroid is removed, there is little or no thyroid hormone and the pituitary will increase TSH production until thyroid hormone replacement is taken.
Dr. Robert Lang
Dr. Robert Lang
Thank
Dr. Vered Lewy-Weiss
Pediatrics - Endocrinology

In brief: Goes up

Tsh (thyroid stimulating hormone) works by feedback mechanism with thyroid hormone (t4 and t3).
Once the thyroid is removed, the source of thyroid hormone is removed. Without T4 and T3 (liothyronine) to suppress tsh, the TSH level will go up. Replacing thyroid hormone with levothyroxine will keep TSH in the normal range.

In brief: Goes up

Tsh (thyroid stimulating hormone) works by feedback mechanism with thyroid hormone (t4 and t3).
Once the thyroid is removed, the source of thyroid hormone is removed. Without T4 and T3 (liothyronine) to suppress tsh, the TSH level will go up. Replacing thyroid hormone with levothyroxine will keep TSH in the normal range.
Dr. Vered Lewy-Weiss
Dr. Vered Lewy-Weiss
Thank
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