There are two types of thyroid disorders: hypothyroidism and hyperthyroidism. Hypothyroidism symptoms include weight gain, constipation, joint pain, and a slow heart rate. Hyperthyroidism symptoms ...

Based on how high or low the different values are—including key hormones such as TSH and T4—the lab can determine which type ...

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

Some nodules are easy to feel, but a person may not feel nodules that are small or located deep in the thyroid gland. Nodules can be cystic or solid. One type of solid nodule is a colloid nodule ...