What Drugs Affect Thyroid Function Test Results?

What Drugs Affect Thyroid Function Test Results? What drugs affect thyroid function test results? Amiodarone. Amiodarone can cause transient alterations of thyroid function tests, as well as overt hypothyroidism or hyperthyroidism. … Lithium. … Interferons (IFN) … Tyrosine Kinase Inhibitors (TKIs) … Alemtuzumab. … Iodine-containing medications and agents. What can cause inaccurate thyroid test results?