Its etiology is common with that of clinical hypothyroidism; clinical symptoms most often include weight gain and fatigue. Subclinical forms of hypothyroidism are of increasing interest ...

Hypothyroidism, also called low or underactive thyroid, is a relatively common condition that develops when your thyroid — a butterfly-shaped gland located at the bottom-front of your neck ...

There are three different types of thyroid dysfunction associated with IFN treatment: (1) autoimmune (often subclinical) hypothyroidism; (2) destructive thyroiditis; and (3) Graves' hyperthyroidism.