Subclinical Hyperthyroidism

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Subclinical Hyperthyroidism

Overview

You may have a very mild form of hyperthyroidism called subclinical hyperthyroidism if your thyroid tests show that:

Your thyroid-stimulating hormone (TSH) levels are low.
Your thyroid hormones thyroxine (T4) and triiodothyronine (T3) are normal.

Subclinical hyperthyroidism is different from hyperthyroidism. Your TSH levels are low but your thyroid hormone levels are normal.

If you have subclinical hyperthyroidism, you may have no symptoms at all. Or you may lose weight or feel anxious.

People with subclinical hyperthyroidism may also develop some of the more serious problems related to hyperthyroidism such as heart and bone problems. But experts do not know whether the benefits of treating subclinical hyperthyroidism outweigh the risks. For this reason, if you have subclinical hyperthyroidism, your doctor may just watch you closely.

Related Information

Hyperthyroidism

Credits

Current as of: April 30, 2024

Author: Ignite Healthwise, LLC Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

Current as of: April 30, 2024

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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NOTICE: This health information was not created by Columbia University Irving Medical Center and may not necessarily reflect specific CUIMC practices. For medical advice to your personal condition, please consult your doctor. Medical advice disclaimer.