THYROID-FUNCTION AND ATTENTION-DEFICIT HYPERACTIVITY DISORDER

Objective: To examine thyroid indices in a community referred sample o f boys with attention-deficit hyperactivity disorder (ADHD) for eviden ce of generalized resistance to thyroid hormone (GRTH). Method: TSH, T 3, and T4 values were gathered prospectively in 53 physician, school, and/or parent referred ADHD subjects, and in 41 age and gender-matched normal controls. Results: None were in the range suggestive of global or pituitary thyroid hormone resistance. Conclusions: GRTH is rare, a nd thyroid function should not be measured routinely in nonfamilial AD HD.