Published on Jul 27, 2018
DAILY MCQ 21 ANSWER

Which of the following drugs decrease Thyroid binding globulin
A. Estrogens
B. Tamoxifen
C. glucocorticoids
D. Methadone

ANSWER C. glucocorticoids

REF: GG 12E / page 1135

Estrogens,Tamoxifen, Methadone increase Thyroid binding globulin and increase thyroxine binding to Thyroid binding globulin

Factors that Alter Binding of Thyroxine to Thyroxine-Binding Globulin