Endocrine Drugs and Medications Q 34

---

Which of the following medications decreases their action while taking thyroid hormone?

  

     A. Metformin

     B. Warfarin

     C. Zoloft

     D. Epinephrine

    

    

Correct Answer: A. Metformin

---

Metformin, an oral hypoglycemic drug when taken with a thyroid hormone decreases their action.

---

Options B, C, & D: Warfarin (an anticoagulant), Zoloft (an antidepressant), and Epinephrine (a sympathomimetic) increases their action when taken with a thyroid hormone.

---