Thyroid function in attention deficit and hyperactivity disorder

Paz Toren*, Abraham Karasik, Sofia Eldar, Leo Wolmer, Ilan Shimon, Raphael Weitz, Dov Inbar, Sharon Koren, Clara Pariente, Ahuva Reiss, Ronit Weizman, Nathaniel Laor

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

In view of the recent conflicting findings regarding the causative role of thyroid abnormalities in attention deficit hyperactivity disorder (ADHD), we performed a replication study to clarify the issue and establish clinical guidelines. Thyroid tests were performed in 43 ADHD children and 28 age- and gender-matched controls. Sixteen ADHD children showed total triiodothyronine (TT3) levels which were slightly above the upper limit of normal, but no significant difference in TT3 values was noted between the ADHD and the control groups. Moreover, none of the ADHD subjects had abnormal levels of total thyroxine, free thyroxine, thyroid stimulating hormone or total triiodothyronine reuptake. The present study supplies additional evidence for the lack of an association between thyroid function and ADHD, and counters the suggestion that thyroid function be routinely screened for in ADHD children.

Original languageEnglish
Pages (from-to)359-363
Number of pages5
JournalJournal of Psychiatric Research
Volume31
Issue number3
DOIs
StatePublished - 1997

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