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Remission of classic rapid cycling bipolar disorder with levothyroxine augmentation therapy in a male patient having clinical hypothyroidism

Authors Chen P, Huang Y

Received 4 November 2014

Accepted for publication 19 December 2014

Published 10 February 2015 Volume 2015:11 Pages 339—342


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Professor Wai Kwong Tang

Pao-Huan Chen, Yu-Jui Huang

Department of Psychiatry, Taipei Medical University Hospital, Taipei, Taiwan

Abstract: The literature suggests that patients with bipolar disorder, particularly females, have greater vulnerability to rapid cycling features. Levothyroxine therapy might be potentially useful to attenuate mood instability in this patient group. In contrast, reports on male patients remain limited and controversial. Herein, we report a 32-year-old male patient who had bipolar 1 disorder for 12 years who developed a breakthrough rapid cycling course and first-onset clinical hypothyroidism at the age of 31 years during lithium therapy. After levothyroxine augmentation therapy was introduced, the patient had remission from the rapid cycling illness course along with normalization of serum levels of free T4 and thyroid stimulating hormone in the subsequent year. This observation suggested that investigation of both levothyroxine pharmacology and thyroid pathology in male patients with rapid cycling bipolar disorder might be of much value.

Keywords: mood disorder, therapy, thyroid hormone

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