A doctor diagnoses mild, or subclinical,
hypothyroidism through a medical history and physical
exam. If your doctor suspects that you have subclinical
hypothyroidism, you will have lab tests to confirm the diagnosis.
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Subclinical hypothyroidism should
be watched closely. About 1 out of 10 people who have mild hypothyroidism will go on to have hypothyroidism within 3 years.1
Some studies have shown that older adults with subclinical
hypothyroidism may be more likely to have
heart failure. But more research is needed.
Research does not provide clear evidence to support treatment of
every person who has subclinical hypothyroidism. And many doctors disagree whether
it should be treated. When making the decision to treat subclinical
hypothyroidism, you and your doctor will talk about the benefits
of treatment (reduced symptoms) compared to the cost of medicine and monitoring
symptoms. Some studies have shown that treatment of subclinical hypothyroidism
cholesterol levels. But more research is
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
August 07, 2012
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this