There are a number of symptoms that are associated with hyperthyroidism. However, note that association does not necessarily prove cause and effect!

The following symptoms are often associated with hypothyroidism:

The most severe form of hyperthyroidism is the thyroid storm, which is a medical emergency. Sudden onset of elevated body temperature, elevated heart rate, palpitations, tremor, and anxiety merits immediate referral to the emergency department of the nearest hospital.

Differential Diagnosis (DDX)