Question

A 70-year-old woman with hypothyroidism on levothyroxine has TSH 8.5 mU/L (ref 0.4-4.0) and FT4 low. She takes calcium carbonate with breakfast. Best advice?

Accepted Answer

Separate levothyroxine from calcium by at least 4 hours and recheck TSH

Answer

Increase levothyroxine dose and continue calcium together

Answer

Stop calcium permanently

Answer

Take levothyroxine at night with food

Answer

No change and recheck in 12 months

Practice question

A 70-year-old woman with hypothyroidism on levothyroxine has TSH 8.5 mU/L (ref 0.4-4.0) and FT4 low. She takes calcium carbonate with breakfast. Best advice?