Question

A 58-year-old man with hypothyroidism is stable on levothyroxine. He starts complaining of fatigue and weight gain again. TSH is elevated. According to BNF advice, which factor might reduce levothyroxine absorption?

Accepted Answer

Concurrent iron supplementation

Answer

Night-time dosing

Answer

High protein diet

Answer

Inadequate fluid intake

Answer

Mild hepatic impairment

Practice question

A 58-year-old man with hypothyroidism is stable on levothyroxine. He starts complaining of fatigue and weight gain again. TSH is elevated. According to BNF advice, which factor might reduce levothyroxine absorption?