Hyperthyroidism causes a wide range of symptoms, including unintentional weight loss, tremor of the hands, increased sweating, rapid heartbeat, menstrual irregularities and nervousness, according to Mayo Clinic. Patients... More » Health Conditions & Diseases

Hyperthyroidism is a condition in which the thyroid gland becomes overactive, resulting in the production of excess thyroid hormone, states MedlinePlus. The condition may lead to rapid heartbeat, abnormalities in the hea... More » Health Conditions & Diseases

Hyperthyroidism symptoms may include sudden weight loss, rapid heartbeat, tremors, fatigue, sleep difficulties and an enlarged thyroid gland, which is also called a goiter, according to the Mayo Clinic. Hyperthyroidism s... More »

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