22nd February 2024

A 45 year old female with hypothyroidism presents to her GP for a review of her medication Levothyroxine.

A 45 year old female with hypothyroidism presents to her GP for a review of her medication Levothyroxine. She is currently taking 75 micrograms once daily and recently had her thyroid function checked with the following results:

TSH – 9 mlU/L (normal range: 0.27-4.2)
T4 – 10 pmol/L (normal range: 12-22)

Select the most appropriate option for managing this patient’s hypothyroidism