Low thyroid stimulating hormone (TSH) levels often occur with hyperthyroidism (overactive thyroid).

Several conditions can include low TSH levels and hyperthyroidism, includingGraves' diseaseandthyroid nodules.

About 1% of adults in the United States have hyperthyroidism.

Getting blood drawn

Yoshiyoshi Hirokawa / Getty Images

It also discusses possible causes of low TSH and how it’s treated.

Yoshiyoshi Hirokawa / Getty Images

What Is Low TSH?

Many people diagnosed with a thyroid disorder can have normal test results.

Pregnancy Concerns

Mild hyperthyroidism while pregnant does not always cause problems.

Moderate-to-severe hyperthyroidism can lead to various complications.

Fortunately, there are numerous treatments available for low TSH levels, including medications and procedures.

Treatment for Low TSH

The treatment for low TSH levels will depend on the underlying cause.

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