Question

A 72-year-old with hypothyroidism on levothyroxine 100 µg daily has TSH 8.2 mU/L and free T4 low-normal. She takes calcium carbonate with breakfast. Best advice?

Accepted Answer

Separate levothyroxine and calcium by at least 4 hours

Answer

Increase levothyroxine dose immediately

Answer

Take levothyroxine with calcium to aid absorption

Answer

Stop calcium carbonate

Answer

Switch to liothyronine

Practice question

A 72-year-old with hypothyroidism on levothyroxine 100 µg daily has TSH 8.2 mU/L and free T4 low-normal. She takes calcium carbonate with breakfast. Best advice?