Manish, a patient of hypothyroidism was prescribed thyroxine. Which of the following is the most reliable guide for adjustment of thyroxine dose in him?
Correct Answer: Serum TSH level
Description: * TSH levels are elevated in a hypothyroid patient (because feedback inhibition by thyroid hormones is not present). * Administration of thyroid hormones (T3 and T4) decreases TSH by contributing to feedback inhibition. * If TSH levels are less than normal, it signifies overeatment whereas high TSH level suggests inadequate treatment.
Category:
Pharmacology
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